trav·el·er's diarrhea 'trav-(ə-)lərz- n intestinal sickness and diarrhea affecting a traveler and typically caused by ingestion of pathogenic microorganisms (as some E. coli) compare MONTEZUMA'S REVENGE
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diarrhea occurring in travelers, particularly in those visiting tropical or subtropical areas where sanitation is inadequate; many different infectious agents can cause it, of which the most common is enterotoxigenic Escherichia coli. In Mexico, it is also called turista.Medical dictionary. 2011.