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The purpose of this study is to determine if 600 mg of rifaximin, taken once a day for 14 days by healthy subjects, is safe and effective for the prevention of travellers' diarrhea compared to placebo.
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Ages Eligible for Study:
18 Years and older (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
travelling to Mexico within 72 hours of enrollment
read and understand English
in good health
acute diarrhea within previous 7 days
taken FQs (any drug in this class), macrolide, azalide, or trimethoprim-sulfamethoxazole within 7 days or enrollment or anytime during study.
taken antidiarrheal medication within 24 hours of enrollment or anytime during study.