Falciparum Ovale Vivax Malarie Age of RBCs infected All Young Young Old Size of cell NL Big Big NL % of Parasitemia >5% <5% <5% <5% Liver stage no yes yes no Common prophylaxis drugs (eg, chloroquine, mefloquine and doxycycline) target blood stage of parasite (blood schizonticides). Malaria with liver stage (Ovale, Vivax) should treated with tissue schizoticides (eg, atovaquone/proguanil). If one person travel to chloroquine-resistant P falciparum (Sub-Saharan Africa, Southern & Southeast Asia), prophylaxis with Atorvaquone-proguanil, Doxycycline, … Continue reading “Malaria Prophylaxis”