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A 21-year-old member asked:

Is giardiasis the same thing as traveler's diarrhea?

2 doctor answers7 doctors weighed in
Dr. Jeffrey Crespin
Gastroenterology 28 years experience
No: Usually travelers diarrhea i.e. Montezumas revenge is caused by e.Coli a different strain of bacteria. We all have e.Coli in our GI tract. Giardia is a parasite found in freshwater streams that can cause diarrhea, but is much less common than e.Coli infection. Special stains or endoscopy can be used to show if giardia is present.
Dr. Jack Hinkle
Specializes in Family Medicine
No: The question is too limited. Giardiasis can cause traveler's diarrhea as can bacteria, viruses & parasites. The most common cause is e. Coli.

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Last updated Apr 22, 2016
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