Hydroxychloroquine is a medication used to prevent and treat malaria in areas where malaria remains sensitive to chloroquine.
It treats rheumatic disorders such as systemic lupus erythematosus, rheumatoid arthritis, and porphyria cutanea tarda, and certain infections such as Q fever and certain types of malaria. It is considered the first-line treatment for systemic lupus erythematosus. certain types of malaria, resistant strains, and complicated cases require different or additional medication.