Traveler’s diarrhea is a condition in which you get a bacterial infection or a parasitic infection while on a trip to an outside country or somewhere where your body is not accustomed. Countries that have less sterile water. Countries like India, Africa, certain third world countries. Those are places where you want to be more careful compared to more industrial countries. You can avoid it by being very careful about the water and food that you drink and make sure that everything that you do is in a sterile fashion. If you do get traveler’s diarrhea, most patients do require antibiotic or antiparasitic therapy for their diarrhea.