Abstract: The present disclosure provides methods for treating or preventing malaria by administration of a protein kinase inhibitor and optionally one or both of a further protein kinase inhibitor and an antimalarial drug to a mammalian subject infected with or at risk of exposure to Plasmodium sp. In some aspects, the therapeutic and prophylactic regimens of the present disclosure are effective in reducing parasite development in mosquitoes feeding on recipients of the regimens. Additionally, the present disclosure provides methods for screening candidate antimalarial agents.