Foul-Smelling Stools: Causes, Signs, and Prevention
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What causes foul smelling stool? 7 possible conditions

Feces normally have an unpleasant smell. Foul-smelling stools have an unusually strong, putrid smell. In many cases, foul-smelling stools occur due to the foods people eat and the bacteria present in their colon. However, foul-smelling stools can also... Read more

See a list of possible causes in order from the most common to the least.



Indigestion (also known as dyspepsia) happens to almost everyone from time to time. Eating habits or a chronic digestive problem can trigger indigestion.

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Ulcerative Colitis

Ulcerative colitis is an inflammatory bowel disease. It occurs when the lining of the large intestine (colon or bowel) and the rectum become inflamed.

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Lactose Intolerance

Lactose intolerance is the inability to break down a type of natural sugar called lactose. Lactose is commonly found in dairy products, such as milk and yogurt. A person becomes lactose intolerant when his or her smal...

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Crohn’s Disease

Crohn's disease is a chronic bowel disease that causes severe inflammation of the digestive tract. It is associated with abdominal pain, diarrhea, and may affect your quality of life. Crohn's disease is characterized b...

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Celiac Disease (Gluten Intolerance)

Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease systems, diagnosis, and treatment.

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Chronic Pancreatitis

Chronic, or long-term, pancreatitis is an inflammation of your pancreas that impairs your body's ability to digest food and regulate blood sugar.

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Cystic Fibrosis

Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.