Plaquenil is 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. Drug warnings for plaquenil Chloroquine mechanism mitochondria Plaquenil before surgery Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis or juvenile idiopathic arthritis and other autoimmune diseases. It is not clear why hydroxychloroquine is effective at treating autoimmune diseases. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Why is hydroxychloroquine so expensive Why Does Plaquenil Cost So Much?, Hydroxychloroquine Oral Uses, Side Effects, Interactions, Pictures. Hydroxychloroquine dialysisCan plaquenil be used to trear lichen plnasChloroquine phosphate lethal Hydroxychloroquine Prices, Coupons and Patient Assistance Programs. Hydroxychloroquine is a member of the antimalarial quinolines drug class and is commonly used for Dermatomyositis, Lyme Disease - Arthritis, Malaria, and others. Brand names for hydroxychloroquine include Plaquenil. Hydroxychloroquine Prices Hydroxychloroquine Prices, Coupons & Patient Assistance.. Hydroxychloroquine Plaquenil. Rheumatologists Concerned High Healthcare Costs May Encourage.. Mar 17, 2019 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. HYDROXYCHLOROQUINE is used to treat rheumatoid arthritis and systemic lupus is also used to treat malaria. The lowest GoodRx price for the most common version of generic Plaquenil is around $20.41, 88% off the average retail price of $177.73. Hydroxychloroquine is the generic for Plaqunil, but some of the suppliers are low on the medicine or it's nonexistent. They had to switch the pill I was taking a few months ago. It used to be oblong and now it is round and about the size of my iron pill, making me think I am taking the same pill twice.