Norfloxacin for the Prophylaxis of Travelers' Diarrhea in U.S. Military Personnel

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  • U.S. Naval Medical Research Unit No. 3, U.S. Naval Medical Research Institute, Cairo, Egypt

Norfloxacin, an oral fluoroquinolone (dose 400 mg daily), was compared to a placebo in a double blinded randomized trial for the prophylaxis of travelers' diarrhea. The study was of U.S. Navy and Marine Corps personnel on shore leave in Alexandria, Egypt. A total of 222 subjects were available (105 norfloxacin, 117 placebo). In the placebo group, 26% (30/117) developed acute diarrhea vs. 2% (2/105) in the norfloxacin group. There were no significant side effects in either group.

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