oral mepacrine dihydrochloride , 200 mg ( 158 mg of the base ) six-hourly for five doses followed by 100 mg ( 79 mg of the base ) eight-hourly for six days ( half dosage for those less than or equal to 50 kg ) was given to 21 patients with high-grade chloroquine-resistant falciparum malaria in eastern thailand .
C0008269
chloroquine
C0024535
falciparum malaria