Diarrhea is characterized by loose, watery stools. You have diarrhea if you have loose stools three or more times in one day. Diarrhea that lasts longer than a few days could be a sign of a more serious problem.
Diarrhea is commonly caused by bacteria from food or water, diseases that affect the stomach and small intestine or parasites.
Diarrhea is typically treated by replacing any loss of lost fluids and electrolytes to prevent dehydration. Depending on the severity of diarrhea, you may need medicines to treat the problem.