You may lose weight when you have diarrhea or loose, watery stool as a result of lost fluid. But you also can experience an unintentional and rapid weight gain with diarrhea. Causes of weight gain and ...

My patient is a 35-year-old man with a history of abdominal pain and loose stools for the past 8 months. He has approximately 1-2 episodes per month. Three months ago a stool analysis showed Entamoeba ...