Dihydroartemisinin is a drug used to treat malaria. Dihydroartemisinin is the active metabolite of all artemisinin compounds (artemisinin, artesunate, artemether, etc.) and is also available as a drug in itself. Dosing Dihydroartemisinin is available as a fixed drug combination with piperaquine (each tablet contains 40 mg of dihydroartemisinin and 320 mg of piperaquine; trade name Artekin, manufactured by Holleykin Pharmaceuticals). The adult dose is 1.6/12.8 mg/kg per dose (rounded up or down… (More on Dihydroartemisinin)