How to diagnose What I need to know about Diarrhea ?
To find the cause of diarrhea, the health care provider may
                
- perform a physical exam  - ask about any medicines you are taking  - test your stool or blood to look for bacteria, parasites, or other signs of disease or infection  - ask you to stop eating certain foods to see whether your diarrhea goes away
                
If you have chronic diarrhea, your health care provider may perform other tests to look for signs of disease.