 [ Symptoms ] what can i do to treat gastroesophageal reflux disease gerd at home [ 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