#quinine

• Antipaludic — A property of a substance, medication, or therapeutic protocol to combat, prevent, or cure paludism (malaria); in a noun sense, it represents a specific pharmaceutical preparation (such as quinine, chloroquine, or artemisinin derivatives) that destroys parasites of the genus Plasmodium at various stages of their evolutionary cycle within the human body.
• Atabrine — A historic commercial name for quinacrine (mepacrine), a synthetic acridine-derived drug widely utilized during the mid-20th century as a major antimalarial and antiprotozoal agent. Introduced as an alternative to natural quinine, it played a crucial strategic role during World War II in protecting Allied troops in tropical regions, and was later used to treat giardiasis and certain autoimmune conditions before being replaced by modern less toxic substances.