diarrhea, travelers’

diarrhea, travelers’ Illness, including diarrhea, that is associated with travel to a foreign country. Causes include viruses and the bacterium Escherichia coli, which may be transmitted via food or water. Prevention involves drinking bottled water; filtering tap water or, if camping, water from natural sources; washing fruits and vegetables purchased in local markets with a solution of water and a few drops of bleach; and when possible, choosing restaurants with high standards of sanitation. Treatment includes replacement of fluids and electrolytes (sodium and other ions) lost via diarrhea. In serious cases of persistent travelers’ diarrhea, medical care should be sought.