most common cause of travelers' diarrhea, usually a
self-limited illness lasting several days, is infection
(ETEC) or enteroaggregative (EAEC)
strains of Escherichia coli
Shigella , Salmonella
, Aeromonas , viruses
and parasites are less common.
individual links at travelers diseases.
tend to have
more severe illness and are particularly susceptible to
dehydration. Travelers to areas where hygiene is poor should
avoid raw vegetables, fruit they have not peeled themselves,
unpasteurized dairy products, cooked food not
served steaming hot, and tap water, including ice.
mild diarrhea, Imodium (4-mg
dose, then 2 mg orally after each loose stool to
maximum of 16 mg/d for adults), relieves symptoms
. It should not be used if fever
bloody diarrhea are present, and some have constipation after use.
Bloody diarrhea can be a sign of more sever infection and is a warning sign to get medical attention.
diarrhea is moderate to severe, persistent or
associated with fever or bloody stools, self-treatment
1-3 days with a broad spectrum antibiotic (quinolone or macrolide
class prescribed by a doctor) is
of oral rehydration salts
mixed in potable water can help maintain electrolyte
particularly in children .
No true vaccine exists (the product Dukoral has an effectiveness
of 20% and is not a true travelers diarrhea vaccine) yet but antibiotics
can be taken for self treatment abroad.