Abstract
Malaria is largely preventable, so travelers should be taught general protective measures and given appropriate chemoprophylaxis before they leave on their trip. Chloroquine phosphate (Aralen) is still the drug of choice in locations where malaria remains chloroquine-sensitive. However, chloroquine-resistant areas infested with Plasmodium falciparum are becoming more numerous. In such areas, mefloquine hydrochloride (Lariam), doxycycline, or proguanil (Paludrine) (obtainable outside the United States) may be used. A single dose of pyrimethamine-sulfadoxine (Fansidar) may be used to treat presumptive malarial infection if medical care is not immediately available. For prevention of relapse of Plasmodium vivax and Plasmodium ovale infection, primaquine phosphate is recommended for the final 2 weeks of chemoprophylaxis on return from a malarious area.
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