primaquine

/ˈpraɪməˌkwiːn/
noun
  1. A medication used to treat and prevent malaria, especially to kill the parasite in the liver and prevent relapse.
    • The doctor prescribed primaquine to prevent the malaria from coming back.
    • Travelers to areas with certain types of malaria may need to take primaquine after their trip.
    • Primaquine is often used together with other antimalarial drugs for complete treatment.