Which of the following antimalarial drug is a slow acting erythrocytic schizonticidal drug for malaria?: (A) Aemether, (B) Mefloquine, (C) Pyrimethamine, (D) Quinine
Answer is C. Erythrocytic schizonticides may be fast acting or slow acting: Fast acting M - Mefloquine A - Atovaquone C - Chloroquine (and amodiaquine and piperaquine) H - Halofantrine (and lumefant rine) A - Aemisinins R - Res-Q (Quinine) - Slow acting: Proguanil Pyrimethamine Sulfonamides T Tetracyclines Clindamycin