Medically reviewed by Robert Burakoff, MD Key Takeaways Watery diarrhea can be caused by different kinds of infections, as ...

Diarrhea usually resolves in a couple of days, but it can sometimes continue for weeks. Persistent diarrhea can be a sign of an allergy or a chronic condition. It may also occur after an infection.

Some types of exercise are more likely to cause diarrhea after working out than others. People can help prevent diarrhea after exercising with some treatments, strategies, and diets. Working out may ...