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This simple trick can cut your risk of traveler’s diarrhea by 65 percent

 What to know

Traveler’s diarrhea affects many vacationers, but bismuth subsalicylate can reduce the risk by 65 percent, according to multiple studies. The medication must be taken consistently to be effective. High-risk areas include Latin America, sub-Saharan Africa and South and Southeast Asia. Avoiding certain foods and drinks can also help prevent illness.

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