Combination therapy is a deliberate strategy to delay the development of drug resistance, which inevitably happens when any antimalarial drug is widely, and especially, unwisely used.

在广泛使用并尤其在不明智地使用之后，任何抗疟药物都不可避免地会出现耐药性。联合治疗是延迟形成耐药性的一种慎重战略。