Tafenoquine Products | Cleanchem - Tafenoquine is an antimalarial agent belonging to the 8-aminoquinoline class that targets the liver stage of Plasmodium vivax. It is used for the radical cure and prevention of relapses in vivax malaria by eliminating dormant liver forms of the parasite. The drug provides a simplified approach to malaria treatment by addressing both blood and liver stages of infection.