Do not eat meat or shellfish that is not hot when served to you. Do not eat food from street vendors. Depending on where you are going and how long you are staying, your doctor may recommend that you take antibiotics before leaving to protect you from possible infection. Points to Remember Diarrhea is a common problem that usually resolves on its own. Diarrhea is dangerous if a person becomes dehydrated.
Treatment involves replacing lost fluids and electrolytes.
Depending on the cause of the problem, a person might also need medication to stop the diarrhea or treat an infection. Children may need an oral rehydration solution to replace lost fluids and electrolytes. Call the doctor if a person with diarrhea has severe pain in the abdomen or rectum, a fever of 102 degrees Fahrenheit or higher, blood in the stool, signs of dehydration, or diarrhea for more than 3 days.