Why Does Weed Make Me Poop?

Why Does Weed Make Me Poop?

Cannabis, commonly known as weed, marijuana, or pot, has long been known for its psychoactive effects due to the presence of THC (tetrahydrocannabinol). While its influence on the mind is well-documented, many users report another, less discussed effect: the urge to poop. This article explores the relationship between cannabis use and bowel movements, delving into the science behind this phenomenon.

The Gastrointestinal System and Digestion

Overview of the Digestive System

The digestive system, including the gastrointestinal tract, is a complex network responsible for processing food, absorbing nutrients, and eliminating waste from the body. Key components of this system include the stomach, intestines, colon, and rectum, all of which play crucial roles in bowel movements. The process of digestion begins in the mouth and continues through the stomach and intestines, where nutrients are absorbed and waste is formed. 

The colon is particularly important for absorbing water and forming stool, which is eventually excreted through the rectum. Peristalsis, the wave-like muscle contractions, stimulates the movement of food and waste through the digestive tract. Dietary fiber is essential in this process as it adds bulk to stool and promotes regular bowel function, potentially acting as a natural laxative. 

Role of Fiber in Digestion

Dietary fiber, found in various plant-based foods, plays a crucial role in healthy digestion and the overall functioning of the gastrointestinal system. Fiber helps regulate bowel movements by adding bulk to stool and stimulating peristalsis, which are the wave-like muscle contractions that move food through the intestines and colon. This process not only aids in preventing constipation but also helps maintain regular bowel movements, providing relief from digestive discomforts like stomach cramps and nausea. 

The presence of adequate fiber in the diet can act as a natural laxative, promoting smooth and efficient digestive processes. Research has shown that fiber can impact the digestive system in significant ways, potentially reducing the symptoms of irritable bowel syndrome (IBS) and other gastrointestinal conditions. Moreover, the interaction between fiber and the endocannabinoid system (ECS) may influence the effects of cannabinoids, such as THC from marijuana, on digestive motility. 

Peristalsis and Bowel Movements

Peristalsis is essential for moving food through the digestive tract, facilitating efficient digestion and nutrient absorption in the gastrointestinal system. This involuntary process is influenced by various factors, including diet, hydration, and physical activity, which can either stimulate or hinder bowel motility. Certain medications and substances, such as cannabis and its psychoactive component THC, can also affect peristalsis, sometimes leading to symptoms like diarrhea or constipation. For example, cannabis use can interact with the endocannabinoid system, altering peristaltic motion in the intestines and colon, which can impact bowel movements and digestive health.

Cannabis and the Digestive System

How Cannabis Affects Digestion

Cannabis contains cannabinoids such as THC and CBD, which interact with the body’s endocannabinoid system (ECS). This system plays a role in regulating various physiological processes, including digestion and bowel function. When cannabinoids bind to ECS receptors, they can influence gastrointestinal motility, appetite, and the secretion of digestive enzymes, impacting the overall digestive system.

The Endocannabinoid System and Its Functions

The ECS consists of endocannabinoids, receptors (CB1 and CB2), and enzymes that synthesize and degrade endocannabinoids. It helps regulate appetite, pain sensation, mood, and gastrointestinal motility. By modulating these functions, the ECS plays a crucial role in maintaining digestive health and responding to various stimuli affecting the gastrointestinal tract.

THC and Its Psychoactive Effects

THC is the primary psychoactive component of cannabis. It binds to CB1 receptors in the brain and central nervous system, leading to the "high" associated with marijuana use. Additionally, THC influences other bodily functions, including digestion, where it can alter gut motility and secretion, leading to effects such as nausea, stomach cramps, diarrhea, or constipation.

Why Do You Poop When You Take Weed?  

The effects of cannabis on digestion and bowel movements may lead to the question, "Why do I poop when I take weed?" For some individuals, using marijuana can cause increased bowel movements or diarrhea, while others may experience constipation. These changes in stool frequency and consistency are due to the interaction between cannabinoids and the digestive system's endocannabinoid receptors.

Cannabis as a Natural Laxative

Cannabis is sometimes described as having laxative-like effects, particularly due to the presence of THC, which can stimulate bowel movements. THC interacts with CB1 receptors in the digestive tract, potentially increasing motility and the urge to poop. This interaction can lead to a more active gastrointestinal system, making cannabis a natural option for those seeking relief from constipation.

Impact on Peristalsis

THC and other cannabinoids found in cannabis can significantly influence peristalsis, the wave-like muscle contractions in the intestines that move food through the digestive system. By either stimulating or inhibiting these contractions, cannabis can lead to changes in bowel habits, resulting in symptoms such as diarrhea or constipation. The effect on peristalsis varies among individuals, with some experiencing increased motility and others facing delayed transit times.

Interaction with the Colon and Intestines

Cannabis use can affect the colon and intestines by altering the normal rhythm of peristalsis, which may lead to more frequent or urgent bowel movements. This alteration is due to the cannabinoids in cannabis interacting with the receptors in the gut, impacting the digestive system's overall function. As a result, users might notice changes in their bowel movement patterns, experiencing either relief from constipation or new issues like diarrhea, depending on their body's response to cannabis.

Cannabinoid Hyperemesis Syndrome

One possible reason weed may cause some people to poop is due to a condition called cannabinoid hyperemesis syndrome (CHS). This syndrome triggers gastrointestinal issues like nausea, vomiting, and diarrhea in heavy cannabis users.

Although rare, CHS is a severe condition linked to prolonged cannabis use. It leads to repeated episodes of vomiting and intense abdominal pain. It's important for frequent users experiencing these symptoms to recognize and seek treatment for CHS.

Causes and Risk Factors

Biological Factors

Individual differences in ECS functioning, digestive health, and cannabinoid sensitivity can influence how cannabis affects bowel movements. The endocannabinoid system (ECS) plays a crucial role in regulating digestion and gastrointestinal motility, and variations in its activity can result in different responses to cannabis. Factors such as the body's natural cannabinoid production, receptor distribution, and overall digestive health can determine whether cannabis leads to symptoms like diarrhea, constipation, or normal bowel function.

Environmental and Lifestyle Factors

Diet, hydration, physical activity, and stress levels can also impact the digestive effects of cannabis. A diet rich in fiber can help regulate bowel movements, while proper hydration supports overall digestive health. Physical activity stimulates peristalsis, the muscle contractions that move food through the intestines, and stress can either exacerbate or alleviate gastrointestinal issues. Therefore, the impact of cannabis on digestion and the gastrointestinal tract can be influenced by these lifestyle factors, either amplifying or mitigating its effects.

Preventive Measures

Tips for Preventing Digestive Issues with Cannabis Use

  • Moderation: Use cannabis in moderation to avoid overwhelming the digestive system.
  • Hydration: Stay hydrated to support healthy digestion and bowel function.
  • Diet: Maintain a balanced diet rich in fiber to promote regular bowel movements.
  • Exercise: Regular physical activity can help regulate the digestive system.

Advice on Cannabis Use

Experts recommend starting with low doses and gradually increasing to monitor individual reactions, emphasizing the importance of consulting with healthcare providers.


Why does cannabis make some people poop more?

Cannabis stimulates the endocannabinoid system, which can increase peristalsis and fluid secretion in the intestines, leading to more frequent bowel movements.

Can marijuana help with irritable bowel syndrome (IBS)?

Yes, marijuana can help manage IBS symptoms like pain and inflammation due to its interaction with the ECS, though individual responses vary.

What are the best strains for digestive issues?

Different strains may work for different individuals, but high CBD and low THC strains may be more suitable for managing digestive issues without psychoactive effects. It's important to consult with a medical professional to find the right strain for your specific needs. Overall, moderation and responsible use are key in preventing and managing any potential digestive effects of cannabis. As always

How can I prevent diarrhea when using cannabis?

To prevent diarrhea, start with a low dose, choose strains with balanced cannabinoids, and stay hydrated. Consulting a healthcare professional can also help.

Is cannabis safe for people with digestive disorders?

Cannabis can be beneficial for some digestive disorders, but it’s important to consult with a healthcare provider to ensure it’s safe and appropriate for your specific condition.


Cannabis can significantly impact bowel movements due to its effects on the digestive system and peristalsis. THC and other cannabinoids interact with the endocannabinoid system, influencing gastrointestinal motility and potentially acting as a natural laxative by stimulating bowel movements. While some people find relief from symptoms such as constipation, nausea, and stomach cramps, others may experience side effects like diarrhea or irregular bowel habits. 

Research on cannabis and its impact on digestion shows that individual responses can vary widely, with some users benefiting from its effects and others facing new digestive issues. Understanding the relationship between cannabis, diet, and lifestyle is crucial for those using it to manage digestive symptoms.

Searching for a dependable hemp e-commerce store for Delta 8, Delta 10, THC-P, and HHC products? Explore our renowned brands such as Cake THCDozoFuegoGhost Delta 11 GummiesHidden Hills Edibles ReviewJeeter VapeLitto WeedPurlyfTorch THCZaza, and more. At Burning Daily, you'll find an exceptional selection of premium hemp products

Back to blog