Watery diarrhea can be caused by viruses, bacteria, and parasites. It's important to consult a doctor if a newborn has diarrhea because it can be dangerous. Chronic diarrhea lasts four weeks or more ...

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 ...

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.

Chronic diarrhea in infants who eat solid food is defined as frequent, loose, watery bowel movements for at least 4 weeks. It can lead to dehydration, malnutrition, and other serious complications.