Two dosage schedules of co-trimoxazole, the standard antibacterial and a 2-day high-dose schedule, were compared with a standard course of chloroquine in the treatment of uncomplicated Plasmodium falciparum malaria. Parasites were cleared from the blood at similar rates, but pyrexia responded more slowly following the standard cotrimoxazole dose. No recrudescences were detected in those observed for up to 60 days after treatment.
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