Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine hydrochloride formulation Chloroquine dose medscape What is plaquenil shelf life Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Plaquenil® is a 4-amino-quinoline antimalarial medication that is widely used to treat systemic lupus erythematosus SLE, rheumatoid arthritis, and related inflammatory and dermatological conditions. It is a hydroxylated version of chloroquine, with a similar mechanism of action. Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Chloroquine plaquenil Chloroquine vs Hydroxychloroquine Comparison -, Hydroxychloroquine DermNet NZ Plaquenil and cosamine dsCan i take plaquenil and simvastatisCan plaquenil cause depressionPlaquenil and cataract surgeryHydroxychloroquine free Hydroxychloroquine be used for. prevention of malaria in travelers? Hydroxychloroquine can only be used in places. where chloroquine a related medicine is still effective. There are only a few places left in the world where hydroxychloroquine is still effective including parts of Central America and the Caribbean. Medicines for the Prevention of Malaria While Traveling.. Hydroxychloroquine Uses, Dosage & Side Effects -. Compare Plaquenil vs Chloroquine -. Plaquenil hydroxychloroquine and Aralen chloroquine phosphate are antimalarial medications used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Chloroquine and hydroxychloroquine bind to melanin in the retinal pigment epithelium RPE and cause damage to the macular cones outside of the fovea. The drugs inhibit RPE lysosome activity, reduce phagocytosis of shed photoreceptor outer segments causing an accumulation of outer receptor segments.