Medically reviewed by Kumkum S. Patel, MD Key Takeaways Nocturnal diarrhea is diarrhea that wakes you up at night and can be ...

When should I be concerned about stomach pain and diarrhea? If abdominal pain and diarrhea do not improve after several days, interfere with normal activities, or recur frequently, contact a doctor.

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.

Norovirus can cause severe diarrhea and vomiting — sometimes at the same time — and it's highly contagious. (Getty Images) Having a stomach bug isn’t ideal under any circumstances. But having ...

This informational guide, part of POPSUGAR's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to ...

Certain diseases can cause dehydration in adults, leading to a loss of fluids needed for the body to function and limiting ...

Stress affects every individual differently, and for some, its physical manifestations can be both surprising and disruptive. One of the most uncomfortable ways stress impacts the body is through ...

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 ...