This is the use of a single drug (or monotherapy) of chloroquine, sulfadoxine-pyrimethamine, or another antimalarial medicine to fight malaria.
这种疗法使用氯喹、磺胺多辛-乙胺嘧啶或另一种抗疟药物等单一药物治疗疟疾（亦称单一疗法）。
2
Resistance to earlier generation antimalarial medicines such as chloroquine and sulfadoxine-pyrimethamine is widespread in most malaria-endemic countries.
在大多数疟疾流行国家，对氯喹和磺胺多辛+乙胺嘧啶等较早一代抗疟药物的耐药性十分普遍。
3
Until recently, the official treatment policy for malaria was sulfadoxine-pyrimethamine (sp). Chloroquine, however, is still widely used despite significant drug resistance.