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 arthritis treatment Retinal thickness changes plaquenil toxicity Originally, hydroxychloroquine was used to prevent and treat malaria and was considered very effective. Now it is generally used for rheumatoid arthritis, but it has also been shown to work well for juvenile arthritis, some lupus symptoms, and other types of autoimmune conditions. Plaquenil hydroxychloroquine is an older DMARD used to treat certain rheumatic conditions. Learn about its safety, side effects, and benefits. Use in patients with psoriasis may precipitate a severe attack of psoriasis; use with caution Postmarketing cases of life-threatening and fatal cardiomyopathy reported with use of. 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. Hydroxychloroquine uses Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Taking Plaquenil for Rheumatoid Arthritis Plaquenil rob holland Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil hydroxychloroquine sulfate dosing, indications.. Hydroxychloroquine, the drug that could stop COVID-19. Hydroxychloroquine is used for treating and preventing malaria. As this eMedTV page explains, it can also be used to treat lupus or rheumatoid arthritis. This article also lists common off-label hydroxychloroquine uses and explains how the drug works. 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. Hydroxychloroquine is used to treat discoid lupus erythematosus DLE or systemic lupus erythematosus SLE or lupus. It is also used to treat acute and chronic rheumatoid arthritis. This medicine is available only with your doctor's prescription.