 [ Symptoms ] can simply eating fresh lobster while on nexium cause traveler is diarrhea  i have been on nexium for several years now the doctor said i could eat anything i wanted i recently tried a fresh lobster for the first time the next day i had explosive diarrhea it has not stopped for four days now i do typically drink nothing but caffeine coffee and tea and today day 4 i became feverish luckily i have experienced dehydration before and recognized the symptom as it related to diarrhea the fever subsided with high intake of gatorade [ Disease ] true traveler is diarrhea is a bacterial infection often due to enteric e coli but parasites and viruses can cause diarrhea too heard about those cruise ships  i do not think this had anything to do with your nexium the advice that you can eat anything was not intended to say that nexium prevents food borne pathogen infections