Loose and watery stools are a common symptom of rotavirus, which may also have a distinct, foul-smelling odor. Rotavirus stool may appear green, yellow, or brown in color. Rotavirus is a virus that ...

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.

If you have ulcerative colitis, you might see blood and mucus in your poop when you have a flare-up. It shows up most often in very loose, watery stools. This bloody diarrhea tends to happen with ...