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. Hydroxychloroquine induced rash Hydroxychloroquine sul tabs 200 mg Plaquenil time of onset 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 hydroxychloroquine is around $20.41, 88% off the average retail price of $177.73. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Hydroxychloroquine 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. 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. Generic hydroxychloroquine generic Hydroxychloroquine Drug Interactions - Serious Interaction., Hydroxychloroquine MedlinePlus Drug Information Hydroxychloroquine mechanism of actionTier for hydroxychloroquineRosuvastatin plaquenil Today’s AMs are hydroxychloroquine Plaquenil®, chloroquine Aralen®, and quinacrine Atabrine®. Quinacrine is no longer marketed in the U. S.; it can be dispensed by a compounding pharmacy, although insurance companies may not pay for it. The antimalarial quinine was first used to treat cutaneous lupus in 1834. Drug spotlight on hydroxychloroquine Lupus Foundation of.. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Buying Plaquenil - Brand & Generic Plaquenil Canada Drugs. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Dosage and Administration Administration. Hydroxychloroquine sulfate is administered orally. When hydroxychloroquine sulfate is used in the treatment of rheumatoid arthritis, the drug should be administered with a meal or glass of milk. The generic Hydroxychloroquine is manufactured by one company. Medindia's drug directory has currently 3 Brands of Hydroxychloroquine listed. New generics and brands are constantly being updated as.