Paradoxical diarrhea occurs when watery stool leaks around a fecal impaction. You can develop paradoxical diarrhea from long-term constipation. Treating paradoxical diarrhea includes removing stool ...

Osmotic diarrhea is when undigested material reduces how much water and electrolytes the bowels can absorb. It can occur when a person’s body has difficulty digesting certain foods, such as lactose.

Gassy poop can happen when your digestive system is backed up from constipation or you have diarrhea caused by food intolerance or infection. It can also simply occur when you eat certain foods.

Celiac disease can cause diarrhea or constipation. Stools may be greasy, watery, or foul-smelling. The appearance of poop may depend on how much gluten a person consumes. Celiac disease is an ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. It may not come up in everyday conversation, but ...