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.

Paradoxical diarrhea happens when loose, watery stool finds a way around hardened, impacted stool in your colon and leaks from your anus. Also called overflow diarrhea, it’s often a symptom of a type ...

Medically reviewed by Jay N. Yepuri, MD Key Takeaways Eat foods like bananas, rice, and plain toast to help with ...