Medical Cannabis for Ulcerative Colitis: A Complete Patient Resource Guide

Ulcerative colitis can affect your body, your plans, and your confidence in daily life. When symptoms like pain, urgency, nausea, poor appetite, and sleep trouble continue, you may start asking where medical marijuana treatment for ulcerative colitis fits. Cannabis is not a cure for colon inflammation, but it may help some patients manage symptoms more comfortably. This guide explains how to think clearly, stay safe, and work with your healthcare team.

1. Understanding Ulcerative Colitis Before Considering Medical Cannabis

1.1 What ulcerative colitis is and how it differs from Crohn's disease

Ulcerative colitis (UC) is a chronic inflammatory bowel disease that affects the colon and rectum. Inflammation typically begins in the rectum and extends upward through the colon in a continuous pattern, affecting the innermost lining of the intestinal wall. By contrast, Crohn's disease can affect any part of the gastrointestinal tract, from the mouth to the anus, and often causes patchy areas of inflammation that extend deeper into the bowel wall. According to a 2023 clinical review by Lynch and Hsu, these differences in the location and pattern of inflammation are key factors that distinguish ulcerative colitis from Crohn's disease. Understanding this distinction is important because symptom patterns, treatment approaches, and monitoring needs can vary between the two conditions. For people with UC, treatment typically focuses on controlling inflammation in the colon while helping manage symptoms that can interfere with daily life.

1.2 How inflammation damages the lining of the colon

In ulcerative colitis, the immune system attacks the inner lining of the colon. This can cause swelling, ulcers, bleeding, mucus, urgency, diarrhea, and cramping. When the lining becomes irritated, your colon may become more sensitive and reactive. Medical cannabis may help some patients feel less pain, nausea, or urgency-related distress. However, symptom relief does not always mean the lining has healed. That is why cannabis should support your care plan, not replace medications that treat inflammation directly.

1.3 Why symptoms can fluctuate between remission and flare-ups

UC often moves through periods of remission and flare-ups. During remission, symptoms may be mild or absent. During a flare, you may have more frequent bowel movements, bleeding, urgency, pain, fatigue, and changes in appetite. These shifts can feel unpredictable. Cannabis may help you manage certain symptoms during difficult periods, but you still need medical monitoring. If bleeding, diarrhea, fever, or pain worsen, your GI specialist should know quickly so inflammation can be treated properly.

2. Where Medical Cannabis Fits in Ulcerative Colitis Care

2.1 Cannabis as symptom management, not a cure for inflammation

Medical cannabis may support symptom management, but it should not be treated as a cure for ulcerative colitis. UC is driven by immune-related inflammation in the colon. Cannabis may help with how symptoms feel, but it has not replaced proven therapies that control inflammation and protect the colon. According to a randomized controlled trial by Naftali et al., THC-rich cannabis improved clinical symptoms and quality of life in patients with mild to moderately active ulcerative colitis, but those improvements were not linked to significant improvement in endoscopic inflammation or inflammatory lab markers.  This distinction protects you. You may feel better while disease activity continues in the background. That is why your care should include both symptom relief and monitoring of inflammation.

2.2 What patients hope cannabis may improve

Many patients consider cannabis because UC affects more than bowel movements. You may want less cramping, fewer nausea waves, better appetite, improved sleep, or calmer bathroom-related anxiety. These goals are reasonable when symptoms interfere with your comfort and routine. Patients often discuss cannabis for:

• Abdominal pain or cramping
• Nausea and low appetite
• Sleep disruption
• Bathroom anxiety
• Stress-related symptom tension
• Flare-related discomfort
• Reduced quality of life

A clear goal helps you judge whether cannabis is actually helping.

2.3 Setting realistic expectations before starting

Before starting cannabis, decide what success would look like. Maybe you want to sleep through the night, eat with less fear, or feel calmer before leaving home. These are measurable, practical goals. Do not judge cannabis by whether it puts UC into remission. That is not the right standard. Judge it by whether it improves a specific symptom without causing fogginess, panic, dizziness, or unsafe use. Your GI care should continue alongside any cannabis plan.

3. The Science Behind Cannabis and Ulcerative Colitis

3.1 The endocannabinoid system and gut function

The endocannabinoid system is a signaling network found throughout the body, including the digestive tract. It helps regulate functions such as pain perception, appetite, intestinal movement, mood, and immune activity. Researchers have become interested in this system because many of the symptoms experienced by patients with ulcerative colitis involve processes influenced by endocannabinoid signaling. Cannabinoids from cannabis interact with receptors that are part of this system. This interaction may influence how pain is felt, how food is tolerated, and how the digestive tract responds to discomfort. While this has created interest in cannabis as a supportive option for UC symptoms, the exact role of the endocannabinoid system in ulcerative colitis remains an active area of research.

3.2 What studies suggest about cannabis and inflammatory bowel disease

Research has shown that some patients with inflammatory bowel disease report improvements in symptoms such as abdominal pain, appetite loss, nausea, sleep quality, and overall quality of life when using cannabis. These findings help explain why many UC patients are interested in medical cannabis as part of their symptom management strategy. According to a randomized controlled trial by Naftali et al., THC-rich cannabis improved ulcerative colitis symptoms and quality of life over 8 weeks, but these clinical benefits were not linked to significant improvement in endoscopic inflammation or inflammatory markers.  However, most studies have provided stronger evidence of symptom improvement than of actual disease control. Patients may feel better while objective measures of inflammation show little change. This does not mean symptom relief lacks value. It means that symptom improvement and inflammation control should be viewed as separate goals, each deserving attention.

3.3 What researchers still do not know

Researchers are still working to understand whether cannabis directly affects the underlying inflammation that drives ulcerative colitis. Current evidence has not established cannabis as a replacement for established therapies such as mesalamine, biologics, immunomodulators, or other treatments designed to control disease activity. Questions also remain about long-term use, ideal cannabinoid combinations, dosing strategies, and which patients are most likely to benefit. As research continues, cannabis is best viewed as a potential symptom management tool rather than a proven disease-modifying treatment.

4. Understanding Active Disease vs Symptom Relief

4.1 Why feeling better does not always mean inflammation is better

This is one of the most important concepts for any ulcerative colitis patient considering cannabis. You may experience less pain, fewer bowel symptoms, better sleep, and improved appetite while inflammation remains active inside the colon. Symptom relief can be meaningful, but symptoms alone do not tell the whole story. This creates a potential risk. If you assume feeling better means the disease is controlled, you may delay important testing or treatment adjustments. The goal is not only to improve how you feel today but also to protect your colon from long-term damage caused by ongoing inflammation.

4.2 The importance of colonoscopies, biomarkers, and monitoring

Doctors use more than symptoms to evaluate ulcerative colitis. Colonoscopies allow direct visualization of the colon lining. Biomarkers such as fecal calprotectin and inflammatory blood tests help estimate disease activity. These tools provide information that symptoms alone cannot provide. Monitoring may include:

• Colonoscopy findings
• Fecal calprotectin levels
• C-reactive protein testing
• Blood counts
• Weight trends
• Nutritional status
• Symptom patterns over time

These measurements help determine whether treatment is truly controlling inflammation.

4.3 Avoiding the mistake of replacing disease control with symptom control

It can be tempting to rely on symptom relief alone when cannabis makes daily life more manageable. While improved comfort is valuable, symptom control should not replace disease control. Active inflammation can continue causing damage even when pain, urgency, or discomfort seem less noticeable. The safest approach is to view cannabis and ulcerative colitis medications as serving different purposes. Cannabis may help you feel better. Your UC treatment plan helps control inflammation and reduce the risk of future complications. When both goals are addressed together, you are more likely to achieve lasting health and quality of life.

5. Symptoms Ulcerative Colitis Patients Most Commonly Use Cannabis For

5.1 Abdominal pain and cramping

Abdominal pain is one of the most common reasons ulcerative colitis patients explore medical cannabis. Inflammation, bowel spasms, increased sensitivity in the digestive tract, and frequent bowel movements can all contribute to discomfort. For some patients, pain becomes one of the most disruptive symptoms during a flare. Cannabis may help some people feel less bothered by pain or reduce the distress associated with cramping. This does not necessarily mean the underlying inflammation is improving. A useful question to ask yourself is whether cannabis allows you to function more comfortably, sleep better, or participate in daily activities with less discomfort. According to a systematic review by Kafil et al. for the Cochrane Database of Systematic Reviews, some patients with ulcerative colitis who used cannabis reported improvements in abdominal pain and quality of life, although the available evidence was insufficient to confirm benefits for controlling the underlying disease process. 

5.2 Urgency and frequent bowel movements

Urgency can be one of the most stressful symptoms of ulcerative colitis. The constant need to locate a restroom, avoid long trips, or leave social situations early can affect confidence and independence. Frequent bowel movements may also interfere with sleep, work, travel, and family life. Some patients report that cannabis helps them feel calmer and less overwhelmed by urgency-related symptoms. While it may improve how symptoms are experienced, cannabis should not be expected to stop active inflammation that is driving frequent bowel movements. Ongoing disease monitoring remains important.

5.3 Nausea, appetite loss, and weight loss

Nausea and poor appetite can make eating feel challenging, especially during active disease. Some patients begin avoiding food because they worry that eating will worsen symptoms. Over time, this can contribute to weight loss, nutritional deficiencies, and reduced energy. Cannabis is often considered because it may help improve appetite and make eating feel more manageable. Even modest improvements can be meaningful if they help you maintain nutrition and enjoy meals with less anxiety. The goal is not simply eating more. It supports overall comfort and nutritional well-being.

6. Cannabis and Ulcerative Colitis Flares

6.1 Recognizing signs of an active flare

A flare occurs when inflammation becomes more active, and symptoms worsen. Common signs include increased diarrhea, rectal bleeding, abdominal pain, urgency, fatigue, weight loss, and nighttime bowel movements. Some patients also experience fever, a loss of appetite, or a general feeling that something is not right. Recognizing a flare early is important because prompt treatment can reduce complications and help bring inflammation under control. Cannabis may play a role in symptom management, but it should not delay medical evaluation when symptoms are clearly worsening.

6.2 Whether cannabis can help during flare-ups

Some patients find cannabis helpful during flares because it may reduce pain-related distress, improve appetite, support sleep, or ease nausea. These effects can make a difficult period feel more manageable. For people struggling with symptom burden, this relief can have a meaningful impact on quality of life. However, cannabis should not be viewed as the primary treatment for a flare. Active inflammation often requires adjustments to medications prescribed by your gastroenterologist. Symptom improvement from cannabis does not necessarily mean the flare is resolving. According to a clinical review by Buckley et al., cannabis may help some inflammatory bowel disease patients manage symptoms such as abdominal pain, cramping, diarrhea, and quality of life concerns, but it has not been shown to significantly reduce inflammation or improve endoscopic healing. 

6.3 When symptoms require immediate medical attention

Certain symptoms should never be managed with cannabis alone. They may indicate severe inflammation, complications, or the need for urgent medical care. Seek prompt medical attention if you experience:

• Severe abdominal pain that is worsening
• Significant rectal bleeding
• High fever
• Signs of dehydration
• Rapid weight loss
• Persistent vomiting
• Severe weakness or dizziness

In these situations, cannabis may be part of your overall symptom plan, but immediate medical evaluation should be the priority.

7. Cannabis and Abdominal Pain

7.1 Why pain occurs in ulcerative colitis

Pain in ulcerative colitis often comes from inflammation in the colon lining. When the tissue becomes swollen, ulcerated, and irritated, the bowel can feel more sensitive during digestion and bowel movements. Gas, diarrhea, cramping, and urgency can make this pain feel sharper or more unpredictable. Cannabis may help some patients by changing how pain signals are perceived. It may also help you feel less tense during cramping episodes. Still, pain should be taken seriously, especially if it changes suddenly, becomes severe, or appears with fever, heavy bleeding, or vomiting.

7.2 Different types of UC-related pain

UC pain does not feel the same for every patient. Some people feel lower abdominal cramping before bowel movements. Others feel burning rectal discomfort, pressure, bloating, or deep aching during flares. Pain may also increase when you are dehydrated, constipated, stressed, or recovering from frequent diarrhea. Knowing the pain pattern helps you judge whether cannabis is helping. If cannabis reduces cramping distress but bleeding and diarrhea continue, you may still need a flare evaluation. If pain becomes intense or unusual, do not assume it is ordinary UC discomfort.

7.3 Tracking whether cannabis is actually improving pain

Pain tracking does not need to be complicated. Before taking cannabis, note your pain level, location, and what you were doing. After the dose has time to work, check whether the pain has changed in a way that matters. Useful questions include:

• Did cramping ease enough to rest?
• Did pain interfere less with eating?
• Did you sleep longer?
• Did you need fewer rescue comfort measures?
• Did cannabis cause dizziness or fogginess?
• Did pain return quickly?
• Did other flare symptoms continue?

This helps you separate true benefit from wishful guessing.

8. Urgency, Frequency, and Bathroom Anxiety

8.1 The emotional burden of unpredictable bowel symptoms

Urgency can affect more than your colon. It can shape how you plan errands, work, meals, travel, relationships, and social events. You may start scanning every room for bathrooms or avoiding places where you worry an accident could happen. This kind of bathroom anxiety is common in ulcerative colitis and deserves real care. Cannabis may help some patients feel calmer, especially when anxiety makes gut sensations feel more intense. Even so, emotional relief should not replace treatment for active inflammation if urgency and frequency are worsening.

8.2 How cannabis may affect gut sensations

Cannabis may change how you perceive abdominal pressure, cramping, nausea, or urgency. For some patients, this makes symptoms feel less overwhelming. You may still have bowel activity, but the sensations may feel less sharp, less frightening, or easier to manage. This effect can be helpful, but it also requires awareness. If cannabis dulls discomfort while inflammation continues, you may underestimate disease activity. Keep monitoring stool frequency, bleeding, nighttime symptoms, and urgency patterns so you do not miss signs that your UC needs stronger medical attention.

8.3 Practical strategies for managing urgency-related stress

Cannabis may be one part of a broader plan for urgency-related stress. You also need practical tools that help you feel prepared. Planning does not mean you are giving in to UC. It means you are protecting your confidence. Try mapping bathrooms before leaving home, carrying backup supplies, planning shorter trips during flares, and choosing foods carefully before travel. If cannabis helps calm your nervous system, use it in a predictable way rather than waiting until panic builds. The goal is steadier confidence, safer symptom decisions, and fewer fear-driven limits on your life.

9. Cannabis and Chronic Diarrhea

9.1 Why diarrhea occurs during active inflammation

Diarrhea in ulcerative colitis often happens because inflammation damages the colon lining and interferes with normal water absorption. When the colon is irritated, it may move stool through too quickly. This can lead to loose stools, urgency, mucus, blood, cramping, and frequent bathroom trips. Cannabis may help some patients feel less discomfort or anxiety around diarrhea, but it should not be mistaken for inflammation control. If diarrhea increases, wakes you at night, or appears with bleeding, fever, or weakness, your GI specialist should know. Active inflammation needs proper treatment.

9.2 Potential benefits and limitations of cannabis

Medical cannabis may help some patients manage symptoms that come with diarrhea, such as cramping, nausea, low appetite, poor sleep, or bathroom-related anxiety. These benefits can matter when symptoms make daily life difficult. Feeling calmer and more comfortable may help you cope during active periods. According to a retrospective cohort study by Coates et al., people with inflammatory bowel disease commonly used cannabis for symptoms such as abdominal pain, cramping, diarrhea, nausea, poor appetite, and sleep concerns, but the authors noted that symptom relief does not necessarily reflect control of underlying disease activity.  However, cannabis is not an antidiarrheal medicine in the usual sense. It should not be relied on to stop severe diarrhea or replace UC medications. If diarrhea is caused by a flare, an infection, a medication reaction, or a complication, you need medical guidance. Cannabis may support comfort, but it should not delay care.

9.3 Preventing dehydration and electrolyte imbalance

Frequent diarrhea can cause dehydration and electrolyte imbalance, especially during a flare. This can leave you weak, dizzy, thirsty, lightheaded, or unable to function normally. Dehydration can become serious if you are losing fluids faster than you can replace them. Practical steps include sipping fluids, using oral rehydration drinks when appropriate, watching urine color, and calling your clinician if weakness or dizziness worsens. Cannabis may help with nausea enough to make drinking easier, but it cannot replace fluids or electrolytes. If you cannot keep fluids down or diarrhea is severe, seek medical care promptly.

10. Rectal Symptoms Patients Often Feel Uncomfortable Discussing

10.1 Rectal pain and irritation

Rectal pain is common in ulcerative colitis because inflammation often begins in the rectum. Frequent bowel movements, wiping, mucus, bleeding, and diarrhea can make the area sore and irritated. Some patients also feel burning, pressure, or sharp pain during and after bowel movements. These symptoms can feel embarrassing, but your GI team hears about them often and can help. Cannabis may reduce how strongly you perceive discomfort, but rectal inflammation may still require targeted treatment such as rectal mesalamine, steroid therapy, skin protection, or other medical care. You should not have to tolerate rectal pain in silence.

10.2 Tenesmus (the feeling of needing to go constantly)

Tenesmus is the feeling that you need to pass stool even when little or nothing comes out. It can be exhausting because your body keeps sending urgent signals. You may return to the bathroom repeatedly and still feel unfinished. This symptom often points to rectal inflammation or irritation. Cannabis may help some patients feel less distressed by the sensation, but it may not remove the cause. If tenesmus is new, worsening, or paired with bleeding, mucus, or nighttime symptoms, talk with your GI clinician. Treating rectal inflammation directly can make a major difference.

10.3 How cannabis may affect symptom perception

Cannabis can change how your brain and body interpret discomfort. This may help reduce rectal pressure, cramping, or irritation. For some patients, that change makes daily life easier and reduces the emotional stress tied to bathroom symptoms. Useful details to track include:

• Rectal pain before and after cannabis
• Number of bathroom trips
• Urgency level
• Bleeding or mucus
• Nighttime symptoms
• Whether cannabis causes fogginess
• Whether symptoms keep worsening despite relief

This helps you know whether cannabis is supporting comfort or masking signs that inflammation needs medical attention.

11. Appetite Loss, Food Aversion, and Eating Anxiety

11.1 Why many patients fear eating during flares

Many ulcerative colitis patients develop anxiety around food, especially during active flares. After experiencing pain, cramping, diarrhea, urgency, or nausea after meals, it is understandable to start associating eating with discomfort. Some people begin skipping meals or severely limiting their food intake in an attempt to avoid symptoms. While certain foods may worsen symptoms for some individuals, avoiding too much food can create new problems. Reduced calorie intake may contribute to fatigue, weight loss, nutrient deficiencies, and slower recovery. Learning how to eat comfortably during difficult periods is an important part of living well with UC.

11.2 Cannabis and appetite stimulation

One reason many patients consider medical cannabis is its potential effect on appetite. Some people find that food becomes more appealing, nausea feels less intense, and meals become easier to tolerate. This can be especially valuable during flares when maintaining nutrition becomes difficult. Cannabis should not be viewed as a replacement for nutritional care, but it may help support eating when symptoms have reduced your interest in food. Even modest improvements can matter. Being able to finish a meal, tolerate snacks, or maintain hydration may have a meaningful impact on your overall well-being. According to a prospective cohort study by Fliss Isakov et al., medical cannabis use in patients with inflammatory bowel disease was linked to improved appetite, but it did not significantly increase body weight, which supports using cannabis as appetite support rather than a complete nutrition treatment. 

11.3 Rebuilding a healthy relationship with food

Rebuilding confidence around eating often takes time. Instead of focusing on perfect nutrition during a flare, focus on foods that feel manageable and nourishing. Small meals, simple foods, and gradual experimentation are often easier than forcing large portions. The goal is not simply to eat more. The goal is to reduce fear around food and restore confidence in your body's ability to tolerate nutrition. If cannabis helps make meals feel less stressful, it may support this process. At the same time, working with a dietitian or gastroenterology team can provide guidance tailored to your individual needs.

12. Weight Loss, Malnutrition, and Nutritional Recovery

12.1 Why ulcerative colitis can lead to nutrient deficiencies

Ulcerative colitis can affect nutrition in several ways. Reduced appetite, food avoidance, diarrhea, inflammation, blood loss, and increased energy demands during flares may all contribute to deficiencies. Some patients become low in iron, vitamin D, vitamin B12, folate, or other important nutrients. Weight loss may occur gradually or rapidly during active disease. Even patients who maintain a stable weight can develop nutritional deficiencies if food intake becomes limited. This is why regular monitoring is often part of long-term UC care.

12.2 What cannabis may and may not do for weight restoration

Cannabis may help some patients eat more comfortably by improving appetite and reducing nausea. For someone struggling to maintain weight, this can be valuable. More consistent eating may support nutritional recovery and help prevent further weight loss. However, cannabis does not directly correct malnutrition. It cannot replace protein, vitamins, minerals, calories, or medical treatment for active inflammation. If ongoing disease activity is causing weight loss, inflammation must still be addressed. Cannabis may support recovery, but it is not a complete nutritional solution.

12.3 Nutrition strategies alongside cannabis use

Patients often achieve the best results when cannabis is combined with practical nutrition strategies. The goal is to support healing while making eating feel less overwhelming. Helpful approaches may include:

• Eating smaller meals more frequently
• Choosing calorie-dense foods when appetite is limited
• Prioritizing protein intake
• Staying hydrated throughout the day
• Using nutritional supplements when recommended
• Tracking weight trends during flares
• Working with a registered dietitian when possible

Cannabis may make eating easier, but long-term recovery depends on maintaining consistent nutrition and managing inflammation effectively.

13. Nausea and Digestive Discomfort

13.1 Common causes of nausea in UC

Nausea can happen in ulcerative colitis for several reasons. Active inflammation, pain, dehydration, constipation, medication side effects, acid reflux, anxiety, and reduced food intake can all contribute. During flares, nausea may also increase because your digestive system is irritated and your body is under stress. Medical cannabis may help some patients feel less nauseated, but the cause still matters. If nausea appears with severe abdominal pain, persistent vomiting, fever, dehydration, or rapid worsening symptoms, it should be discussed with your clinician quickly. Cannabis can support comfort, but it should not delay evaluation of serious changes.

13.2 Cannabis for nausea management

Cannabis is often considered for nausea because THC may affect brain and gut pathways involved in nausea perception. Some patients find that cannabis helps them tolerate meals, drink fluids, or take medications more comfortably. This can be especially helpful when nausea contributes to poor appetite or food avoidance. The right product depends on timing. A faster-acting option may be more useful for sudden nausea, while a longer-lasting option may support symptoms that build through the day. Start carefully, because too much THC can cause dizziness, anxiety, sedation, or, in some cases, worsening nausea.

13.3 Warning signs that nausea may indicate something more serious

Nausea should be taken seriously when it does not fit your usual UC pattern. Persistent vomiting, inability to keep fluids down, severe weakness, black or bloody stool, high fever, worsening belly swelling, or intense abdominal pain can signal a problem that needs urgent care. Do not rely on cannabis alone if nausea is severe or escalating. Your clinician may need to check for dehydration, infection, obstruction, medication reactions, or severe inflammation. The goal is to use cannabis wisely for symptom support while still responding quickly to warning signs.

14. Fatigue and Low Energy

14.1 Why exhaustion is common even during remission

Fatigue is one of the most frustrating symptoms of ulcerative colitis because it can continue even when bowel symptoms are quiet. Your body may still be recovering from inflammation, blood loss, poor sleep, stress, nutritional deficiencies, or the emotional effort of managing a chronic illness. This kind of tiredness is not laziness. It can affect work, relationships, exercise, concentration, and mood. Cannabis may help indirectly if it improves sleep, pain, nausea, or appetite, but it should not be viewed as a direct treatment for every cause of fatigue. Fatigue deserves a careful medical review.

14.2 Inflammation, anemia, sleep, and fatigue

UC-related fatigue often has several contributors. Active inflammation can drain energy. Blood loss can lead to iron deficiency anemia. Nighttime bowel movements can interrupt sleep. Low appetite and restricted eating can reduce fuel for daily activity. Important issues to check include:

• Iron levels and anemia
• Vitamin D and B12 status
• Sleep quality
• Current inflammation markers
• Medication side effects
• Hydration status
• Mood and stress levels

If these issues are not addressed, cannabis alone may not restore energy.

14.3 Choosing cannabis products that minimize daytime sedation

If you already feel exhausted, product choice matters. High THC doses, sedating strains, and poorly timed edibles may worsen daytime sleepiness. A product that helps sleep at night may be useful, but the same product during the day could make fatigue harder to manage. According to a cross-sectional study by Greywoode et al., inflammatory bowel disease patients using medical cannabis commonly reported perceived symptom benefits, but drowsiness, grogginess, and memory lapses were also reported as adverse effects, supporting the need to choose products and timing that limit daytime sedation.  Patients who want symptom relief without heavy sedation may prefer lower THC doses, balanced THC to CBD products, or dosing only in the evening. Track whether cannabis improves your rest or makes your daytime energy worse. The best plan should support comfort without stealing the energy you still have.

15. Sleep Problems in Ulcerative Colitis

15.1 Nighttime bowel symptoms and sleep disruption

Ulcerative colitis can interrupt sleep when symptoms continue after you lie down. Nighttime bowel movements, urgency, cramping, gas, rectal discomfort, and fear of accidents can keep your body alert when it should be resting. Even if you fall asleep, repeated trips to the bathroom can leave you exhausted the next day. Medical cannabis may help some patients settle at night by easing discomfort, nausea, or anxiety. Still, nighttime symptoms can also signal active inflammation. If you are waking often to use the bathroom, especially with bleeding or worsening urgency, tell your GI specialist.

15.2 Pain-related sleep difficulties

Pain can make sleep feel impossible during a flare. Cramping, abdominal pressure, rectal irritation, and bowel spasms may worsen when you are trying to relax. Poor sleep can then make pain feel more intense the next day, creating a difficult cycle. Cannabis may help some patients by reducing pain-related distress and making it easier to fall asleep. The goal is not simply sedation. The better goal is restful sleep with fewer symptom interruptions and less next-day fogginess. If a dose helps you sleep but leaves you too groggy to function, the product or timing may need adjustment.

15.3 Using cannabis strategically for sleep support

A sleep-focused cannabis plan should match your symptom pattern. If pain builds in the evening, dosing earlier may help. If anxiety spikes when you lie down, a calming product before bed may fit better. If symptoms wake you suddenly, the timing and speed of onset become important. Useful sleep planning questions include:

• What wakes you most often?
• Does cannabis help pain, anxiety, nausea, or sleep directly?
• How long does the product take to work?
• Do you feel clear enough the next morning?
• Are nighttime bowel symptoms worsening?
• Are you combining cannabis with sedating medications?

The safest plan improves rest without hiding signs of active disease.

16. Anxiety and Mental Health in Ulcerative Colitis

16.1 Living with uncertainty and flare anxiety

Living with ulcerative colitis often means living with uncertainty. You may not know when a flare will start, whether a medication will keep working, or whether symptoms will interrupt an important event. That uncertainty can create ongoing anxiety, even during remission. Cannabis may help some patients feel calmer when anxiety is tied to symptoms, sleep loss, or physical tension. However, it should be used with intention. The goal is to support coping, not avoid medical care, skip monitoring, or ignore signs that disease activity is changing.

16.2 Social anxiety and fear of accidents

Fear of accidents can make social life feel risky. You may avoid restaurants, travel, meetings, dates, exercise, or long car rides because you worry about urgency or bathroom access. Over time, this can shrink your world and increase your sense of isolation. Cannabis may help reduce the emotional intensity of bathroom anxiety for some patients. It may make gut sensations feel less alarming or help you feel steadier before leaving home. Still, practical planning matters too. Bathroom mapping, backup supplies, flare treatment, and honest communication with trusted people can all reduce fear.

16.3 When cannabis helps anxiety, and when it worsens it

Cannabis can have different effects depending on dose, THC level, product type, and personal sensitivity. A small dose may calm tension, while too much THC may cause racing thoughts, panic, paranoia, dizziness, or a sense of losing control. This matters when anxiety is already part of your UC experience. If cannabis worsens anxiety, reduce use and speak with a clinician. A lower dose, a balanced THC to CBD product, or a different timing may help. If anxiety is severe, persistent, or linked to depression or panic attacks, mental health care should be part of your treatment plan.

17. Depression, Isolation, and Emotional Burden

17.1 The psychological impact of chronic disease

Ulcerative colitis affects far more than the digestive system. Living with unpredictable symptoms, medication changes, flares, testing, and concerns about the future can take a significant emotional toll. Many patients experience periods of sadness, frustration, anger, grief, or emotional exhaustion. These feelings do not mean you are coping poorly. Chronic illness places real demands on your mental health. Over time, the effort required to manage symptoms and plan around bathroom access can become draining. Recognizing this burden is an important step toward addressing it.

17.2 Cannabis as part of emotional symptom management

Some patients report that cannabis helps them feel calmer, less overwhelmed, or more able to enjoy daily activities despite their symptoms. When physical discomfort contributes to emotional distress, symptom relief may improve overall well-being and quality of life. However, cannabis should be viewed as one possible tool rather than the entire solution. Emotional health often improves most when symptom management, supportive relationships, healthy routines, and professional guidance work together. If cannabis helps you reconnect with activities you enjoy, that may be a meaningful benefit.

17.3 Recognizing when professional mental health care is needed

Depression can sometimes develop gradually, making it difficult to recognize. Persistent sadness, loss of interest in enjoyable activities, hopelessness, withdrawal from relationships, changes in sleep, and difficulty functioning may indicate that additional support is needed. Professional help may be appropriate if you experience:

• Persistent low mood
• Loss of motivation
• Social withdrawal
• Feelings of hopelessness
• Significant anxiety or panic
• Thoughts of self-harm
• Difficulty managing daily responsibilities

Mental health treatment can work alongside medical cannabis and UC care to improve overall quality of life.

18. Stress and Its Relationship to Ulcerative Colitis

18.1 Why stress can worsen symptoms without causing the disease

Stress does not cause ulcerative colitis, but it can make symptoms feel worse. During stressful periods, many patients notice increased abdominal discomfort, urgency, diarrhea, poor sleep, and fatigue. This does not mean the disease was caused by stress or that symptoms are "all in your head." The relationship is more complex. Stress affects the nervous system, sleep quality, hormone levels, and the body's perception of pain and discomfort. Managing stress may help improve daily symptom burden even though it does not eliminate the underlying disease process.

18.2 The gut-brain connection

The digestive system and nervous system communicate constantly through what is often called the gut-brain connection. Emotional stress can influence digestive symptoms, and digestive symptoms can affect emotional health. This two-way communication helps explain why anxiety and bowel symptoms often seem to affect each other. Medical cannabis has attracted attention because cannabinoids may influence both gut-related symptoms and certain aspects of mood and stress response. While research is still developing, many patients are interested in whether cannabis can help support this connection as part of a broader symptom management strategy.

18.3 Integrating cannabis into broader stress management strategies

Cannabis may help some patients feel more relaxed, but stress management usually works best when multiple strategies are combined. Relying entirely on cannabis can cause you to miss other valuable tools that improve resilience and quality of life. Helpful stress management approaches may include:

• Regular physical activity when tolerated
• Consistent sleep routines
• Mindfulness or meditation practices
• Counseling or therapy
• Support groups
• Deep breathing exercises
• Building predictable daily routines

When cannabis is used thoughtfully alongside these strategies, it may become one part of a more complete approach to managing stress and living with ulcerative colitis.

19. THC, CBD, and Other Cannabinoids for Ulcerative Colitis

19.1 THC for symptom relief

THC is the cannabinoid most associated with the “high” effect, but it is also the compound many patients discuss for symptom relief. In ulcerative colitis, THC may help some people with abdominal discomfort, nausea, appetite loss, sleep trouble, and stress-related tension. These effects can matter when symptoms interfere with eating, resting, or leaving home. THC should be used carefully because the same compound that may support relief can also cause side effects. Too much THC may lead to dizziness, anxiety, panic, fogginess, rapid heartbeat, or impaired coordination. If you are new to cannabis, a lower starting dose gives you a better chance to find relief without feeling overwhelmed.

19.2 CBD and inflammation-related interest

CBD does not usually cause intoxication, which makes it appealing to patients who want support without feeling high. Many UC patients are interested in CBD because of its potential effects on inflammation, immune signaling, and gut symptoms. This interest is understandable, but it should be handled with realistic expectations. Current evidence does not support CBD as a replacement for UC medications that control inflammation. CBD may still be part of a symptom-focused plan, especially if you are sensitive to THC or want a gentler daytime option. You should also discuss CBD with your clinician because it may interact with some medications.

19.3 What patients should know about minor cannabinoids

Minor cannabinoids include compounds such as CBG, CBN, CBC, and THCV. Some cannabis products highlight these ingredients, but research on ulcerative colitis is still limited. A product label may sound promising, but that does not always mean the product has strong clinical evidence for UC. If you are considering products containing minor cannabinoids, choose products with clear labeling and avoid exaggerated claims. The best plan starts with your main symptom, your medication list, and your tolerance for side effects. Minor cannabinoids may become more important as research develops, but for now, they should be viewed as experimental support, not core UC treatment.

20. Choosing Cannabis Products for Ulcerative Colitis

20.1 Oils, tinctures, and capsules

Oils and tinctures are common choices because they allow more controlled dosing than many edibles. You can often measure small amounts and adjust gradually. This is helpful if you are trying to manage abdominal pain, nausea, appetite, or sleep without taking more THC than you need. Capsules may appeal to patients who prefer a simple routine and consistent dose. The drawback is that capsules can take longer to work and may be harder to adjust once swallowed. During UC flares, digestion may feel unpredictable, so timing and onset can vary. Product choice should match your symptoms, tolerance, and daily schedule.

20.2 Edibles and digestive considerations

Edibles may last longer than tinctures or inhaled products, which can be helpful for sleep or longer periods of discomfort. However, they can also be harder to manage during UC symptoms because they must pass through the digestive system. If you are nauseated, having diarrhea, or eating very little, the effects may feel delayed or less predictable. Practical edible considerations include:

• Start with a clearly labeled low dose
• Avoid taking more too soon
• Choose soft options if digestion feels sensitive
• Avoid high sugar products if they worsen symptoms
• Track how long effects take to begin
• Use caution during flares
• Keep edibles away from children and pets

Edibles can be useful, but they require patience and careful dosing.

20.3 Inhaled products and rapid symptom relief

Inhaled cannabis may act faster than oral products, which can help when symptoms appear suddenly. Some patients consider it for sudden nausea, pain spikes, or anxiety before leaving home. A faster onset can make effects easier to judge in the moment. Still, inhaled products are not ideal for everyone. Smoking can irritate the lungs, and vaping carries its own safety concerns depending on the product and device. If rapid relief is important, discuss safer regulated options with a qualified medical cannabis clinician. The goal is fast symptom support without adding avoidable risk.

21. Finding the Right THC:CBD Ratio

21.1 THC-dominant options

THC-dominant products may be considered when symptoms such as pain, nausea, appetite loss, sleep disruption, or severe stress are the main concern. Some UC patients prefer THC forward options because they may feel more noticeable symptom relief, especially during difficult periods. The tradeoff is that THC can also cause intoxication, dizziness, anxiety, rapid heartbeat, fogginess, or impaired coordination. If you are sensitive to THC, more is not better. Start with a small amount and assess the response based on comfort, function, and side effects.

21.2 Balanced THC:CBD products

Balanced THC to CBD products may be useful if you want symptom relief but do not want to feel strongly intoxicated. CBD may soften some unwanted THC effects for certain patients, although responses vary. These products can be a practical middle option. A balanced product may fit daytime discomfort, anxiety-related gut tension, or patients who have felt uncomfortable with THC-dominant products. The goal is steady relief with less fogginess. Track whether the ratio helps your target symptom without affecting work, driving, parenting, or daily responsibilities.

21.3 CBD-dominant approaches

CBD-dominant products may appeal to patients who want a non-intoxicating option. They may be considered when you want gentler support or need to avoid feeling high. However, CBD should not be confused with proven inflammation control for UC. CBD can also interact with some medications, so your clinician should review your treatment plan. This is especially important if you take immunosuppressants, seizure medicines, blood thinners, or other drugs that are processed by the liver. CBD-dominant does not mean risk-free. It means different benefits and different cautions.

22. Dosing Strategies for Ulcerative Colitis

22.1 Start low and go slow

Starting low and increasing slowly is one of the safest cannabis dosing principles for UC patients. Your goal is not to feel as much of the cannabis effect as possible. Your goal is to find the smallest dose that helps your target symptom without causing unwanted side effects. This matters because UC symptoms can already make you feel weak, dehydrated, anxious, or sleep-deprived. A strong dose may add dizziness, panic, diarrhea, bathroom risk, or daytime fogginess. Careful dosing gives you useful information without overwhelming your body.

22.2 Adjusting doses during flares and remission

Your cannabis needs may change depending on disease activity. During a flare, you may need more symptom support for pain, nausea, appetite, sleep, or anxiety. During remission, you may need less cannabis or may use it only for specific symptoms. Dose adjustment should be based on clear observations:

• What symptom are you treating?
• Did the dose help that symptom?
• How long did the relief last?
• Did bowel symptoms change?
• Did you feel sleepy, anxious, or dizzy?
• Are bleeding or nighttime symptoms worsening?
• Have UC medications changed recently?

This keeps dosing connected to real goals instead of habit.

22.3 Avoiding excessive THC-related side effects

Too much THC can make UC management harder. Anxiety, panic, dizziness, poor coordination, nausea, rapid heartbeat, and mental fog may interfere with daily life. If you are already dealing with urgency or frequent bathroom trips, feeling unsteady can become unsafe. If THC feels too strong, reduce the dose, increase the time between doses, or ask about a balanced THC to CBD product. You should also avoid driving or making important decisions while impaired. The best cannabis dose is the one that helps symptoms while allowing you to stay safe and functional.

23. Cannabis and Ulcerative Colitis Medications

23.1 Mesalamine and 5-ASA therapies

Mesalamine and other 5-ASA medications are commonly used to control inflammation in ulcerative colitis. These medications work directly on the colon lining and are often prescribed for both active disease and long-term maintenance. Many patients who use medical cannabis continue taking mesalamine because the two serve different purposes. Cannabis may help with symptoms such as pain, nausea, appetite loss, or sleep difficulties, while mesalamine is intended to manage inflammation. Feeling better on cannabis does not mean mesalamine is no longer needed. Stopping maintenance medication without guidance can increase the risk of a flare and make long-term disease control more difficult.

23.2 Steroids and corticosteroids

Steroids are often prescribed when ulcerative colitis symptoms become more severe or when a flare needs to be controlled quickly. These medications can be highly effective, but they may also cause side effects such as mood changes, increased appetite, sleep disruption, anxiety, irritability, and weight gain. Cannabis may sometimes overlap with these effects. For example, both steroids and cannabis can influence appetite and mood. This does not mean they cannot be used together, but it does mean you should pay attention to how you feel. Any major changes in mood, sleep, or mental clarity should be discussed with your healthcare team.

23.3 Biologics, immunomodulators, and JAK inhibitors

Patients with moderate-to-severe ulcerative colitis may be prescribed biologics, immunomodulators, or JAK inhibitors to help control inflammation and prevent complications. These medications target specific parts of the immune response and are often essential for long-term disease management. Cannabis should not be viewed as a replacement for these treatments. If you use cannabis while taking advanced therapies, make sure every member of your healthcare team knows. This helps them monitor symptoms accurately and understand whether changes in your condition are related to medication effectiveness, disease activity, or cannabis use.

24. Can Cannabis Reduce the Need for Other Medications?

24.1 Why patients frequently ask this question

It is common for UC patients to wonder whether cannabis might allow them to reduce other medications. This question usually comes from a desire to avoid side effects, simplify treatment, or feel less dependent on prescription drugs. The interest is understandable, especially for patients who have dealt with flares, medication changes, and years of disease management. Some patients report that cannabis helps them manage symptoms more comfortably. However, symptom improvement does not automatically mean inflammation is under control. The answer to this question depends on disease activity, treatment goals, and objective monitoring results.

24.2 The dangers of stopping maintenance therapy

One of the biggest risks in ulcerative colitis is stopping maintenance treatment because symptoms seem better. A patient may experience less pain, better appetite, or improved sleep while inflammation continues silently. Over time, this can increase the risk of flares, hospitalization, complications, and colon damage. Important concerns include:

• Increased flare risk
• Loss of remission
• More severe future disease activity
• Greater need for steroids
• Hospitalization risk
• Complication development
• Difficulty regaining disease control

For this reason, medication decisions should never be based on symptom relief alone.

24.3 How to discuss medication changes with your GI specialist

If you believe cannabis is helping significantly, discuss it openly with your gastroenterologist. Explain what symptoms improved, what products you use, how often you use them, and whether any side effects occurred. This information helps your physician understand the full picture. Any medication adjustment should be guided by symptoms, colonoscopy findings, laboratory results, and disease monitoring. The safest approach is collaborative. Cannabis may become part of your symptom management strategy, but decisions about UC medications should remain grounded in objective evidence and specialist guidance.

25. Cannabis During Biologic Therapy

25.1 Safety considerations

Many patients who qualify for medical cannabis are already receiving biologic therapy. These medications are designed to control inflammation and help maintain remission in moderate-to-severe ulcerative colitis. If you are using a biologic, it is important that your gastroenterologist knows about any cannabis products you are taking. Current evidence has not shown that cannabis replaces the role of biologic therapy in controlling ulcerative colitis. While some patients use both, cannabis should be viewed as a separate symptom management tool rather than an alternative treatment. Always report new symptoms, side effects, or major changes in your condition so your care team can evaluate them properly.

25.2 Symptom management while biologics treat inflammation

Biologics and cannabis may serve different purposes in your treatment plan. Biologics are intended to reduce inflammation and help prevent complications. Cannabis may help manage symptoms that remain bothersome even while inflammation is being treated. For example, a patient may still experience sleep difficulties, abdominal discomfort, nausea, stress, or appetite problems despite overall improvement in disease activity. In these situations, cannabis may provide additional support. The key is understanding that symptom relief and inflammation control are not always the same thing.

25.3 Monitoring disease activity accurately

One challenge with cannabis use is that symptom improvement may make it harder to recognize ongoing disease activity. If pain decreases or urgency feels less disruptive, you may assume inflammation is under control even when testing suggests otherwise. Continue attending follow-up appointments, completing laboratory testing, and undergoing recommended colonoscopies. Objective monitoring helps your doctor determine whether your biologic therapy is working as intended. Feeling better is important, but it should be confirmed by medical evidence whenever possible.

26. Cannabis and Steroid Use

26.1 Managing symptoms during steroid treatment

Steroids are often used during moderate or severe ulcerative colitis flares because they can quickly reduce inflammation. While effective, they can also create challenges such as sleep disruption, mood changes, increased appetite, and restlessness. Some patients consider cannabis to help manage these symptoms while waiting for steroid treatment to take effect. Cannabis may help support sleep, appetite, or stress management in certain individuals. However, it should not be viewed as a substitute for steroids when active inflammation requires urgent treatment. The role of cannabis remains symptom support rather than disease control.

26.2 Appetite and mood considerations

Both steroids and cannabis can influence appetite and mood, although they do so in different ways. Some patients notice increased hunger when using one or both. Others experience mood changes such as irritability, anxiety, emotional sensitivity, or difficulty sleeping. Things worth monitoring include:

• Changes in appetite
• Weight fluctuations
• Sleep quality
• Anxiety levels
• Mood swings
• Energy levels
• Daily functioning

Tracking these factors can help determine whether symptoms are related to steroids, cannabis, active disease, or a combination of several factors.

26.3 Understanding overlapping side effects

Because steroids and cannabis can both affect mood, sleep, and appetite, it may sometimes be difficult to determine which product is causing a particular effect. For example, a patient experiencing insomnia may assume cannabis is not working when steroid-related sleep disruption is the primary issue. Keeping symptom notes can help identify patterns. If new anxiety, excessive sedation, worsening sleep, or emotional changes appear after a dosing adjustment, discuss them with your healthcare team. Understanding the source of side effects makes it easier to adjust treatment safely while maintaining symptom relief.

27. Remission: Should Patients Continue Using Cannabis?

27.1 Cannabis during symptom-free periods

When symptoms improve, many patients wonder whether they should continue using cannabis. The answer depends on why you started using it in the first place. If cannabis was helping with sleep, anxiety, appetite, or lingering discomfort, you may decide that those benefits still matter even when bowel symptoms are quiet. At the same time, remission is a good opportunity to reassess your goals. Some patients discover they need less cannabis than they did during active disease. Others may choose to continue because it supports quality of life. The important thing is to make the decision intentionally rather than simply continuing out of habit.

27.2 Preventive use versus symptom-targeted use

One of the most common misconceptions is that continuing cannabis during remission will automatically prevent future flares. At this time, cannabis has not been established as a preventive treatment for ulcerative colitis in the same way that maintenance medications are used to maintain disease control. Patients generally approach cannabis in one of two ways. Some use it only when symptoms become bothersome. Others use it more consistently because they believe it supports sleep, stress management, or overall well-being. Regardless of the approach, cannabis should not replace maintenance therapy that is helping keep inflammation under control.

27.3 Reassessing goals over time

Your goals may change as your disease changes. A symptom that once dominated your life may no longer be an issue. New concerns may emerge, such as stress management, sleep quality, or medication side effects. Revisiting your reasons for using cannabis helps ensure it continues to provide meaningful value. Ask yourself whether cannabis is still helping the symptom that originally led you to try it. If the answer is unclear, consider reducing use temporarily and monitoring how you feel. Regular reassessment helps prevent unnecessary use and keeps your treatment plan aligned with your current needs.

28. Cannabis and Colonoscopy Preparation

28.1 Managing symptoms during bowel prep

Colonoscopy preparation can be one of the most challenging parts of ulcerative colitis care. The bowel cleansing process may increase bathroom trips, disrupt sleep, worsen fatigue, and create anxiety about the procedure. Patients sometimes wonder whether cannabis can make the experience more tolerable. Some people find that cannabis helps with nausea, stress, or discomfort during preparation. However, the main priority should be completing the bowel prep correctly. Incomplete preparation can reduce the quality of the procedure and make it harder for your gastroenterologist to evaluate disease activity accurately.

28.2 What patients should disclose before procedures

Before any procedure involving sedation or anesthesia, tell your healthcare team about your cannabis use. This includes how often you use cannabis, the type of products you use, and when you last used them. Accurate information helps your providers plan safely. Important details to disclose include:

• Frequency of cannabis use
• THC and CBD products used
• Most recent dose
• Route of administration
• Any previous anesthesia issues
• Current medications
• Recent symptom changes

Being open about cannabis use helps reduce avoidable complications and improves procedural safety.

28.3 Timing cannabis use around sedation

Cannabis can affect how your body responds to sedation and anesthesia. Because of this, you should follow the instructions provided by your gastroenterologist, anesthesiologist, or procedural team regarding cannabis use before a colonoscopy. Do not assume that cannabis is harmless simply because it is medically authorized. The timing of your last dose may influence sedation requirements, recovery, and procedural planning. Following medical instructions carefully helps ensure a safer and more effective colonoscopy experience.

29. Product Quality and Safety

29.1 Understanding Certificates of Analysis (COAs)

A Certificate of Analysis, often called a COA, is a lab report that shows what is in a cannabis product. It may list THC, CBD, other cannabinoids, terpenes, and test results for contaminants. For patients with ulcerative colitis, this matters because dosing and safety depend on knowing exactly what you are taking. A good COA should match the product batch or lot number. If the label lists one strength but the lab report shows otherwise, dosing becomes less reliable. Choose products with clear testing from licensed sources, especially if you are using cannabis regularly for UC symptom support.

29.2 Avoiding contaminated products

Contaminated cannabis can expose you to mold, bacteria, pesticides, heavy metals, or leftover solvents. This is a concern for any patient, but it is especially important if you have ulcerative colitis and take medications that affect the immune system. You do not want symptom support to introduce preventable risk. Avoid products with unclear labels, no testing information, exaggerated claims, or unknown sources. A licensed dispensary product with a current COA is a safer choice than an untested product from a friend or informal seller. Product quality is not a luxury. It is part of responsible medical use.

29.3 Why immunosuppressed patients should be extra cautious

Many UC patients use biologics, steroids, immunomodulators, or JAK inhibitors. These treatments can reduce immune activity, which may increase concern about infections or contaminated products. If your immune system is suppressed, clean sourcing and careful product selection become even more important. Before choosing a product, check:

• Whether the product has a current COA
• Whether the batch number matches the label
• Whether mold and microbial testing are included
• Whether pesticides and heavy metals were tested
• Whether the THC and CBD amounts are clear
• Whether the product came from a licensed source
• Whether your clinician knows you plan to use it

This protects your safety while keeping cannabis use practical and informed.

30. Cannabis and the Immune System

30.1 Common misconceptions about cannabis and immunity

Many patients hear that cannabis “reduces inflammation” and assume that means it can treat ulcerative colitis directly. That is too simple. Cannabis compounds may interact with immune-related pathways, but UC is a complex immune-mediated disease that requires proven treatment and monitoring. It is also a mistake to think natural products are automatically safer for the immune system. Cannabis may help relieve symptoms for some patients, but it is not a substitute for medications that are prescribed to control UC inflammation. Clear expectations prevent unsafe decisions.

30.2 What researchers currently understand

Researchers are still studying how cannabinoids affect immune signaling, gut function, pain pathways, and inflammation. Early findings are interesting, but they have not established cannabis as a disease-modifying treatment for ulcerative colitis. In many studies, symptom improvement is clearer than improvement in objective inflammation. This distinction matters. You may sleep better, eat better, and feel less pain, while inflammation still needs medical treatment. Cannabis may be useful for how you feel, but colon healing should still be checked through appropriate testing and follow-up.

30.3 Why cannabis is not an alternative to disease-modifying treatment

Disease-modifying treatment aims to reduce inflammation, maintain remission, and lower the risk of complications. Cannabis does not currently replace mesalamine, biologics, steroids when needed, immunomodulators, or other UC therapies prescribed by your GI specialist. If cannabis helps your symptoms, that can still be valuable. The safest approach is to use cannabis as a supportive tool while continuing treatment that protects the colon. Feeling better should lead to better daily life, not skipped appointments or stopped medications.

31. Ulcerative Colitis Complications Every Patient Should Understand

31.1 Severe bleeding

Rectal bleeding can happen in ulcerative colitis, but heavy bleeding should never be brushed off as routine. Inflammation can damage the colon lining and cause ulcers that bleed. If bleeding becomes frequent, heavy, or paired with weakness, dizziness, rapid heartbeat, or shortness of breath, you need medical attention. Cannabis may help with pain, nausea, appetite, or anxiety, but it does not treat significant blood loss. If you are bleeding more than usual, contact your GI specialist or seek urgent care. Symptom comfort should never replace evaluation for a potentially serious UC complication.

31.2 Toxic megacolon

Toxic megacolon is a rare but dangerous complication where severe inflammation causes the colon to widen and lose normal function. Symptoms may include severe abdominal pain, swelling, fever, fast heart rate, dehydration, and worsening illness. This is a medical emergency. Cannabis should not be used to “wait out” symptoms that suggest toxic megacolon. If pain is severe, your belly is swollen, your fever is high, or you feel suddenly very ill, seek urgent medical care. Fast treatment can reduce the risk of colon perforation, sepsis, or emergency surgery.

31.3 Increased colorectal cancer risk

Long-standing ulcerative colitis can increase colorectal cancer risk, especially when inflammation affects much of the colon or remains active over many years. This does not mean you will develop cancer, but it does mean surveillance matters. Your GI specialist may recommend regular colonoscopies with biopsies to check for precancerous changes. Cannabis may help you feel better, but it cannot replace cancer screening. Staying current with monitoring is one of the most important ways to protect your long-term health.

32. Red Flag Symptoms That Require Immediate Medical Care

32.1 Severe abdominal pain

Severe abdominal pain is not something to manage with cannabis alone. UC pain can happen during flares, but intense, worsening, or unusual pain may suggest a serious complication. Pain with belly swelling, fever, vomiting, faintness, or inability to pass stool needs prompt evaluation. Call your doctor or seek urgent care if the pain feels different from your usual flare pattern. Cannabis may dull discomfort, which can be helpful for mild symptoms but risky if it delays care. When pain is severe, medical assessment comes first.

32.2 High fever and worsening symptoms

A high fever with worsening UC symptoms can signal severe inflammation, infection, or another urgent problem. This is especially important if you are taking steroids, biologics, immunomodulators, or JAK inhibitors, because these medications can affect immune response. Get medical help quickly if you have a fever with increased bleeding, severe diarrhea, dehydration, weakness, or worsening abdominal pain. Warning signs include:

• High fever
• Severe or worsening abdominal pain
• Heavy bleeding
• Persistent vomiting
• Dizziness or fainting
• Confusion
• Signs of dehydration

Cannabis should not delay urgent care in these situations.

32.3 Signs of dehydration and hospitalization risk

Dehydration can develop quickly when diarrhea, vomiting, fever, or poor intake continue. Signs include dark urine, very little urination, dry mouth, dizziness, racing heartbeat, weakness, confusion, or inability to keep fluids down. Cannabis may help with nausea enough to support drinking, but it cannot replace fluids, electrolytes, or medical treatment. If you are becoming dehydrated, your care team may need to provide medications, labs, IV fluids, or hospital care. Quick treatment can prevent a manageable flare from becoming dangerous.

33. Ulcerative Colitis Surgery and Cannabis

33.1 When surgery becomes necessary

Surgery may become necessary when ulcerative colitis cannot be controlled with medication, causes severe complications, or creates an unacceptable quality of life. Some patients need surgery because of uncontrolled bleeding, toxic megacolon, severe inflammation, medication failure, or precancerous changes in the colon. This decision can feel frightening, but surgery can also bring major relief for the right patient. Cannabis may help with symptoms while you are deciding next steps, but it should not delay urgent surgical evaluation when your GI or colorectal surgery team believes surgery is needed.

33.2 Cannabis before and after colectomy

If you use cannabis before colectomy, tell your surgeon and anesthesia team. They need to know your product type, dose, frequency, and last use before surgery. Cannabis may affect sedation needs, nausea, pain control, and recovery planning. After surgery, cannabis should be restarted only with medical guidance. Your digestion, pain medication, hydration, appetite, and wound-healing needs may change. Cannabis may support appetite, sleep, or discomfort for some patients, but it should fit safely with your post-operative medication plan.

33.3 Recovery considerations and symptom expectations

Recovery after UC surgery depends on the type of operation, your overall health, and whether you have an ostomy or an internal pouch. You may need time to adjust to new bowel patterns, diet changes, hydration needs, fatigue, and emotional reactions. Helpful recovery questions include:

• When is cannabis safe to restart?
• Could cannabis interact with pain medicine?
• Will it affect nausea or appetite?
• Should smoking or vaping be avoided?
• What symptoms should prompt a call?
• How should hydration be monitored?
• What bowel changes are expected?

Cannabis may support comfort, but recovery decisions should stay closely coordinated with your surgical team.

34. Living With an Ostomy and Medical Cannabis

34.1 Cannabis use after colectomy

After a colectomy, your experience with ulcerative colitis may change significantly. If the colon has been removed, many previous UC symptoms may improve, but you may still deal with recovery pain, appetite changes, sleep disruption, anxiety, or ostomy adjustment. Cannabis may help some of these symptoms when used carefully. Your needs may not be the same as before surgery. Doses that once felt appropriate may feel different during recovery. Start cautiously and discuss cannabis with your care team, especially if you are taking pain medicines, antibiotics, anti-nausea drugs, or other post-surgical medications.

34.2 Appetite, sleep, and pain considerations

Living with an ostomy may involve physical healing and emotional adaptation. Some patients struggle with appetite, sleep, body image, pouch changes, gas, odor worries, or discomfort around the stoma. Cannabis may support appetite, rest, or pain-related distress for some people. The goal is not to ignore ostomy concerns but to make recovery more manageable. If cannabis helps you eat, sleep, or relax while learning ostomy care, it may be useful. Still, worsening pain, skin irritation, signs of infection, dehydration, or sudden changes in output should be discussed with your medical team.

34.3 Practical issues ostomy patients should know

Ostomy patients need to pay close attention to hydration, output, and product timing. Some cannabis products may affect appetite, alertness, or routine. Edibles may also be less predictable if your digestion has changed after surgery. Track how cannabis affects your pouch routine, output, sleep, and ability to care for your ostomy. Avoid using a dose that makes you too foggy to empty or change your pouch safely. A good cannabis plan should support independence, confidence, and comfort while respecting the practical needs of ostomy care.

35. Cannabis and Sexual Health in Ulcerative Colitis

35.1 Body image concerns

Ulcerative colitis can affect how you feel about your body. Weight changes, bloating, scars, fatigue, urgency, medications, ostomy surgery, and fear of accidents can all affect confidence. You may feel less attractive, less relaxed, or less willing to be touched during active disease. Cannabis may help some patients relax, sleep better, or feel less focused on discomfort, but it cannot solve body image concerns by itself. Honest communication, supportive partners, therapy, and medical control of symptoms all matter. Your body is still worthy of affection and respect, even when UC changes how it feels or functions.

35.2 Intimacy during active disease and remission

Sexual intimacy may feel different during flares than during remission. During active disease, pain, urgency, diarrhea, rectal symptoms, fatigue, or anxiety may reduce desire or make sex feel stressful. During remission, confidence may return, but fear of symptoms can still linger. Cannabis may help some patients feel calmer or more comfortable, but timing and dose matter. Too much THC can cause sleepiness, anxiety, or reduced awareness, which may make intimacy less satisfying. If you use cannabis around intimacy, choose a dose that supports comfort while still allowing clear consent, communication, and emotional presence.

35.3 How symptoms affect relationships

UC can affect relationships when symptoms limit plans, disrupt routines, or create embarrassment. Partners may not understand urgency, fatigue, pain, or fear of accidents unless you explain what daily life feels like. Silence can create distance, even when both people care deeply. Helpful relationship supports include:

• Explaining symptoms clearly without shame
• Planning intimacy around lower symptom times
• Keeping supplies nearby for confidence
• Discussing pain or fatigue honestly
• Choosing closeness that does not always require sex
• Asking for patience during flares
• Seeking counseling when strain builds

Cannabis may support comfort, but communication protects connection.

36. Pregnancy, Family Planning, and Cannabis

36.1 Fertility considerations

If you are planning a pregnancy, talk with your gastroenterologist and obstetric clinician before using cannabis. Fertility, medication safety, disease control, nutrition, and timing all matter in ulcerative colitis. Active disease can make pregnancy more complicated, so remission before conception is often an important goal. Cannabis may help with symptoms, but it is not a fertility treatment or a substitute for stable UC care. If you use cannabis regularly, discuss whether stopping or reducing use is recommended before trying to conceive. Your care plan should protect both your health and future pregnancy goals. 36.2 Pregnancy-related concerns Cannabis use during pregnancy is generally discouraged by major medical organizations because THC can reach the fetus and may affect development. UC symptoms can be difficult during pregnancy, but nausea, appetite changes, pain, and anxiety should be managed with pregnancy-appropriate medical guidance. Do not stop UC medications on your own because you are pregnant or trying to become pregnant. Some UC treatments are safer in pregnancy than uncontrolled inflammation. Work with your GI specialist and pregnancy care team to choose symptom strategies that protect you and the baby.

36.3 Breastfeeding and cannabis use

Cannabis use while breastfeeding requires caution because THC can pass into breast milk and may remain in the body for a long time. If you are breastfeeding or plan to breastfeed, discuss cannabis use openly with your clinician. You deserve clear guidance, not judgment. CBD products also require caution because quality, labeling, and contamination concerns can vary. For UC patients, the safest plan is individualized medical guidance that considers disease control, medication needs, mental health, sleep, and infant safety.

37. Special Considerations for Older Adults With UC

37.1 Medication interactions

Older adults with ulcerative colitis often take more medications than younger patients. In addition to UC treatments, you may be taking medicines for blood pressure, heart disease, diabetes, arthritis, sleep problems, or other chronic conditions. This increases the importance of reviewing cannabis use with your healthcare team. Both THC and CBD can affect how certain medications are processed in the body. While many patients use cannabis without major issues, interactions are possible. Always provide a complete medication list before starting cannabis so your clinicians can identify potential concerns and help you choose a safer approach.

37.2 Fall and cognitive risks

As people age, balance, coordination, reaction time, and memory may naturally change. Cannabis can sometimes add to these challenges, especially when THC doses are too high. Dizziness, slower reaction times, confusion, and impaired balance can increase the risk of falls and injuries. Older adults should be particularly cautious when beginning cannabis or increasing doses. Starting low and making gradual adjustments is important. If you notice unsteadiness, excessive sleepiness, worsening memory, or confusion, discuss these changes with your clinician. Symptom relief should never come at the cost of safety.

37.3 Balancing symptom relief with safety

Many older adults find cannabis helpful for improving comfort, appetite, sleep, or quality of life. The goal is not to avoid cannabis altogether but to use it thoughtfully. The best approach balances meaningful symptom relief with clear thinking, mobility, and independence. Important considerations include:

• Starting with low doses
• Reviewing medications regularly
• Monitoring balance and mobility
• Watching for excessive sedation
• Avoiding sudden dose increases
• Using clearly labeled products
• Reporting side effects promptly

A careful plan can help older adults benefit from cannabis while minimizing unnecessary risks.

38. Cannabis and Pediatric or Young Adult Ulcerative Colitis

38.1 Unique developmental considerations

Ulcerative colitis can affect children, teenagers, and young adults during important stages of physical and emotional development. Growth, nutrition, education, social development, and mental health may all be influenced by the disease. Because the brain continues developing into early adulthood, cannabis decisions deserve special attention in younger patients. Medical cannabis should never be approached casually in this population. Any discussion about cannabis should involve qualified healthcare professionals who understand both inflammatory bowel disease and age-related considerations. The goal is always to protect long-term health while managing symptoms responsibly.

38.2 Parent and caregiver discussions

Parents and caregivers often have understandable concerns about cannabis. They may worry about safety, school performance, concentration, motivation, emotional development, or long-term effects. These concerns should be discussed openly rather than ignored. Productive conversations focus on facts, goals, and medical guidance. Families should discuss why cannabis is being considered, what symptoms are being targeted, what alternatives have been tried, and how success will be measured. Clear communication helps everyone make informed decisions together.

38.3 Working with pediatric GI specialists

Pediatric gastroenterologists play a critical role when cannabis enters the conversation. These specialists understand disease activity, growth concerns, nutritional needs, medication management, and long-term outcomes. They can help families evaluate whether cannabis fits into a broader treatment strategy. Cannabis should never replace proven UC therapies in children or young adults. Regular monitoring, symptom tracking, growth assessments, laboratory testing, and disease surveillance remain essential. The safest approach combines symptom management with careful specialist oversight and ongoing communication.

39. Creating a Personal Cannabis Trial Plan

39.1 Choosing your primary target symptom

A cannabis trial should begin with one clear target symptom. You may want help with abdominal pain, nausea, appetite loss, sleep disruption, bathroom anxiety, or stress-related tension. Choosing one symptom first makes it easier to tell whether cannabis is actually helping. If you try to treat everything at once, the results can become confusing. You may feel somewhat better but not know which symptom changed, which dose helped, or whether side effects are worth it. A focused trial gives you cleaner information and helps your clinician guide safer adjustments.

39.2 Setting measurable goals

A measurable goal turns cannabis use into a practical plan instead of guesswork. For example, you might aim to reduce nighttime waking, eat one small meal without nausea, feel calmer before leaving home, or lower cramping enough to rest. These goals are personal, but they should be specific. Useful goal-setting questions include:

• What symptom am I targeting first?
• How often does it happen now?
• What would meaningful improvement look like?
• How will I track relief?
• What side effects would make cannabis not worth it?
• When will I review results?
• Who should help monitor changes?

This keeps your trial organized and patient-centered.

39.3 Deciding whether cannabis is helping

After a fair trial, review whether cannabis improved the symptom you chose. Do not judge only by whether you “felt high” or relaxed. Ask whether it helped your daily life in a measurable way. Did you sleep longer, eat better, cramp less, or feel more confident leaving home? Also, review safety. If cannabis helps one symptom but causes panic, fogginess, dizziness, or poor functioning, the plan may need adjustment. A successful cannabis trial should improve comfort while preserving your ability to manage UC responsibly.

40. Tracking Symptoms Like a UC Specialist

40.1 Monitoring bowel frequency and urgency

Tracking bowel frequency and urgency is one of the most useful habits for UC patients. These symptoms can show whether your disease pattern is changing, even if cannabis makes discomfort feel more manageable. Count how often you go, whether urgency is mild or severe, and whether symptoms wake you at night. This does not need to become stressful. A quick daily note can help you and your GI specialist see trends. If bowel trips increase, urgency worsens, or nighttime symptoms return, do not assume cannabis has the situation handled. Those patterns may signal active inflammation.

40.2 Tracking abdominal pain and appetite

Pain and appetite are important quality-of-life markers. Track where pain occurs, how strong it feels, when it happens, and whether cannabis changes it. Also note whether appetite improves because nausea is lower, anxiety is calmer, or food feels more tolerable. This information helps separate symptom relief from disease control. If cannabis improves appetite but bleeding continues, you still need medical follow-up. If pain decreases but stool frequency rises, inflammation may still be active. Tracking keeps your decisions grounded in what is actually happening.

40.3 Monitoring quality of life alongside disease activity

Quality of life matters in ulcerative colitis. You should care about sleep, energy, work, travel, food enjoyment, social plans, and emotional comfort. Cannabis may help these areas even when it does not directly treat inflammation. At the same time, UC specialists also look at objective disease activity. That means stool tests, bloodwork, colonoscopy results, and medication response. The best tracking plan includes both how you feel and what your disease markers show. When both improve, your plan is stronger.

41. Frequently Asked Questions About Cannabis and Ulcerative Colitis

41.1 Can cannabis put ulcerative colitis into remission?

Cannabis has not been proven to put ulcerative colitis into remission. Remission means inflammation is controlled, symptoms improve, and objective testing shows that the disease is quiet. Cannabis may help some patients feel better, but feeling better is not the same as confirmed remission. This distinction matters because UC can remain active even when symptoms feel easier to manage. If cannabis reduces cramping, nausea, or urgency-related stress, that benefit is still valuable. However, remission should be confirmed by your GI specialist, lab tests, stool markers, and, when appropriate, colonoscopy.

41.2 Can cannabis reduce inflammation?

Cannabis may interact with pathways involved in pain, gut sensation, appetite, immune response, and inflammation, but current evidence does not show that cannabis reliably reduces UC inflammation enough to replace standard treatment. Research is still developing, and results have been stronger for symptom relief than for objective disease control. You should be cautious with any product that claims to “heal” UC inflammation without medical therapy. If you want to use cannabis, use it for a clear symptom goal while continuing proper monitoring. Colon inflammation needs proven treatment, not guesswork.

41.3 Can cannabis replace biologics or mesalamine?

Cannabis should not replace biologics, mesalamine, steroids, immunomodulators, JAK inhibitors, or other UC medications prescribed to control inflammation. These medications are used to reduce disease activity, maintain remission, and lower the risk of complications. Cannabis has a different role. If cannabis helps your symptoms, tell your GI specialist. Your doctor can review whether your current treatment is still needed and whether disease markers support any changes. Do not stop maintenance therapy on your own because symptoms feel better.

42. Building a Long-Term Cannabis Strategy for Ulcerative Colitis

42.1 Reassessing benefits regularly

A long-term cannabis plan should not run on autopilot. Your symptoms, medications, stress levels, flare patterns, and goals may change over time. What helped during a flare may not be needed during remission. What helped sleep last year may feel too sedating now. Review cannabis use regularly by asking what it is still doing for you. Is it helping pain, appetite, sleep, nausea, or anxiety in a clear way? Is the benefit worth the cost, side effects, and routine? Regular reassessment keeps cannabis useful, not automatic.

42.2 Monitoring for tolerance and dependence

Some patients develop tolerance, meaning the same dose feels less effective over time. Others may find they rely on cannabis more often than intended, especially for sleep, stress, or emotional relief. This does not mean you have done something wrong, but it does mean the plan needs an honest review. Warning signs worth watching include:

• Needing higher doses for the same effect
• Feeling unable to sleep without cannabis
• Using cannabis despite unwanted side effects
• Using it to avoid all stress
• Feeling irritable when not using it
• Spending more than planned
• Losing track of your original symptom goal

If these patterns appear, discuss adjustments with your clinician.

42.3 Aligning cannabis use with long-term disease management

Cannabis should fit inside your broader UC strategy, not pull you away from it. Long-term disease management includes medication adherence, flare planning, colonoscopy surveillance, nutrition, mental health support, and regular GI follow-up. When cannabis helps with symptoms, it can improve quality of life. The key is making sure it does not mask worsening inflammation or lead you to skip proven treatment. A strong long-term plan uses cannabis for targeted support while keeping colon health, monitoring, and disease control at the center.

43. Final Patient Checklist

43.1 Before starting cannabis

Before starting cannabis, make sure you know exactly why you are using it. Choose one main target symptom, such as abdominal pain, nausea, appetite loss, sleep disruption, bathroom anxiety, or stress-related tension. A clear goal helps you judge whether cannabis is actually worth continuing. You should also tell your GI specialist about your plan. Cannabis may help with symptoms, but ulcerative colitis still needs inflammation monitoring. Before your first dose, review your current medications, disease activity, recent flare symptoms, and whether you have any safety risks such as dizziness, pregnancy, severe anxiety, or medication interactions.

43.2 During the first month

The first month should be treated as a careful trial. Start with a low dose, track your target symptom, and avoid making several changes at once. If you change cannabis products, UC medications, diet, and supplements all at the same time, it becomes harder to know what helped or what caused side effects. During the first month, watch for:

• Symptom improvement
• Dizziness or fogginess
• Anxiety or panic
• Changes in bowel frequency
• Continued bleeding
• Nighttime symptoms
• Appetite and sleep changes

If cannabis helps comfort but UC symptoms worsen, contact your GI specialist.

43.3 Long-term safety and monitoring

Long-term cannabis use should be reviewed regularly. Your dose, product type, and goals may need to change during remission, flares, medication adjustments, or life changes. What helped at one stage may not fit another. Keep monitoring both symptoms and inflammation. Cannabis may support comfort, but it should not replace colonoscopies, stool tests, bloodwork, medication adherence, or GI follow-up. The safest long-term plan keeps symptom relief and disease control working together.

44. The Questions Every Ulcerative Colitis Patient Should Ask Before Starting Cannabis

44.1 Am I trying to improve symptoms or control inflammation?

This is the most important question in the guide. Cannabis may help you feel better, but it has not been proven to control ulcerative colitis inflammation the way disease-modifying treatment can. Knowing the difference protects you from confusing comfort with remission. If your goal is symptom relief, cannabis may have a useful role. If your goal is to control inflammation, your GI treatment plan remains central. You need both honest expectations and medical monitoring.

44.2 How will I know if cannabis is helping my specific goals?

You will know cannabis is helping if it improves the specific symptom you chose to target. That might mean less cramping, fewer episodes of nausea, better appetite, improved sleep, or calmer bathroom anxiety. The goal should be concrete enough to measure. Ask yourself whether the benefit improves daily life without causing new problems. If cannabis helps sleep but worsens morning fog, the plan may need adjustment. If it helps your appetite, but diarrhea and bleeding continue, you still need UC care.

44.3 What signs would indicate my disease is worsening even if I feel better?

Some signs suggest UC may be worsening even if cannabis makes symptoms feel less distressing. These include increased bleeding, more frequent bowel movements, nighttime diarrhea, fever, weight loss, worsening fatigue, dehydration, or rising inflammatory markers. Do not ignore these signs because cannabis improves comfort. Feeling better is valuable, but UC requires objective monitoring. A strong cannabis plan should make life easier while keeping you alert to changes that need medical attention.

States Where This Condition Qualifies for Medical Marijuana

Massachusetts, Ohio, Florida

Get Personalized Ulcerative Colitis Support With DocMJ

At DocMJ, we help patients explore whether medical cannabis may fit into their ulcerative colitis symptom management plan. We provide medical marijuana evaluations, education, and personalized guidance focused on goals such as pain relief, appetite support, sleep improvement, and quality of life. Schedule a consultation, and we’ll help you make informed decisions about medical cannabis while continuing to prioritize long-term ulcerative colitis care.

Citations 

1. Buckley, M. C., Kumar, A., & Swaminath, A. (2021). Inflammatory bowel disease and cannabis: A practical approach for clinicians. Advances in Therapy, 38(7), 4152 to 4161. https://pmc.ncbi.nlm.nih.gov/articles/PMC8279986/
2. Coates, M. D., Dalessio, S., Walter, V., & Vrana, K. (2022). Symptoms and extraintestinal manifestations in active cannabis users with inflammatory bowel disease. Cannabis and Cannabinoid Research, 7(4), 445 to 450. https://pmc.ncbi.nlm.nih.gov/articles/PMC9418352/
3. Fliss Isakov, N., Seidenberg, C., Meiri, D., Yackobovitch Gavan, M., Maharshak, N., & Hirsch, A. (2023). Medical cannabis increases appetite but not body weight in patients with inflammatory bowel diseases. Nutrients, 16(1), 78. https://doi.org/10.3390/nu16010078
4. Greywoode, R., Cunningham, C., Hollins, M., & Aroniadis, O. (2023). Medical cannabis use patterns and adverse effects in inflammatory bowel disease. Journal of Clinical Gastroenterology, 57(8), 824 to 829. https://pmc.ncbi.nlm.nih.gov/articles/PMC10102249/
5. Kafil, T. S., Nguyen, T. M., MacDonald, J. K., & Chande, N. (2022). Cannabis for the treatment of ulcerative colitis. Cochrane Database of Systematic Reviews, 5(5), CD012954. https://doi.org/10.1002/14651858.CD012954.pub2
6. Lynch, W. D., & Hsu, R. (2023). Ulcerative colitis. In StatPearls. StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK459282/
7. Naftali, T., Bar-Lev Schleider, L., Benjaminov, F. S., Konikoff, F. M., Matalon, S. T., & Ringel, Y. (2021). Cannabis is associated with clinical but not endoscopic remission in ulcerative colitis: A randomized controlled trial. PLOS ONE, 16(2), e0246871. https://pmc.ncbi.nlm.nih.gov/articles/PMC7877751/