METHODS	Patients aged 5 years with uncomplicated falciparum malaria , normal glucose-6-phosphate dehydrogenase enzyme levels , and hemoglobin levels 8 g/dL were assigned by computerized-generating sequence to a standard 3-day course of DHP alone ( n = 178 ) or DHP combined with a single dose of primaquine on day 3 ( n = 171 ) .\