Runner’s trot, also known as runner’s diarrhea, can happen during or right after a run. It appears as frequent, loose bowel movements. There isn’t one clear reason why this happens, although some ...

Dear Dr. Roach: In a recent column that touched on taking laxatives daily, you mentioned a sugar called lactulose that you recommend for constipation. I’m wondering if other sugars have the same ...

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.

Q: I have diarrhea around the time of my period. Why does this happen, and can I make it stop? A: About a quarter of healthy women get diarrhea just before their menses, and even more experience loose ...