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. Plaquenil for discoid lupus Does hydroxychloroquine affect bone graft healing Chloroquine phosphate fish medication dosage Chloroquine induces degradation Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. 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. 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. Plaquenil for lupus dosage Plaquenil Hydroxychloroquine for Lupus - LupusCorner, Hydroxychloroquine Plaquenil Does hydroxychloroquine interact with levothryoxine Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil Oral Uses, Side Effects, Interactions.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Protecting your eyesight when taking Plaquenil Lupus Foundation of.. In 1956, the U. S. Food and Drug Administration approved HCQ for symptoms of lupus and rheumatoid arthritis, particularly skin inflammation, hair loss, mouth sores, fatigue, and joint pain. Dosing. Hydroxychloroquine is generally prescribed at a daily dose of 6.5 milligrams or less per kilogram of body weight. Plaquenil is a prescription medication approved by the Food and Drug Administration FDA to treat inflammation associated with lupus in people whose symptoms have not responded to drugs with lower risk for side effects. Plaquenil is also known by its drug name, Hydroxychloroquine. The recommended Plaquenil dosage for malaria prevention is 400 mg once weekly, starting two weeks before the anticipated exposure. The usual starting dosage for treating lupus is 400 mg once or twice a day, and the recommended starting dose for the treatment of rheumatoid arthritis is 400 to 600 mg daily.