Anti-malarial drugs (Quinine, Artemisinin)
Start with the big picture
Quinine is an alkaloid mixture associated with Cinchona species, while artemisinin is a sesquiterpene lactone from the aerial parts of Artemisia annua. Their actions differ: quinine disrupts heme handling in the parasite, whereas artemisinin’s endoperoxide bridge can generate damaging free radicals. Artemisinins clear parasites rapidly and are used in combination regimens; quinine has a role in severe chloroquine-resistant P. falciparum malaria. The comparison also highlights different resistance mechanisms, elimination profiles, safety concerns, and drug interactions. These distinctions help organize the topic around botanical origin, pharmacology, and clinical application, while showing why treatment choice and combination strategies matter.
What you'll learn
- Identify the botanical sources and key chemical features of quinine and artemisinin.
- Contrast the mechanisms by which quinine and artemisinin damage malaria parasites.
- Describe their antimalarial spectra and clinical roles, including combination therapy.
- Recognize major resistance mechanisms, pharmacokinetic features, adverse effects, and interactions.
Continue your study
Work through the complete notes and reinforce the topic with the study tools available in the full lesson.
