Please review the following URL and make sure that it is spelled correctly. Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Cellcept and plaquenil Plaquenil and sjogren's Hydroxychloroquine plaquenil for rheumatoid arthritis Today, Plaquenil and other antimalarials are also used to treat and help prevent symptoms caused by certain autoimmune diseases such as rheumatoid arthritis RA, systemic lupus erythematosus, and discoid lupus, even though these diseases are not caused by malaria parasites. Plaquenil belongs in a class of medications known as disease-modifying. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. In a small percentage of patients, side effects may require temporary reduction of the initial. This medicine is not effective against all strains of malaria. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil arthritis symptoms Hydroxychloroquine Plaquenil, Hydroxychloroquine Side Effects, Dosage, Uses, and More Does plaquenil affect your heartHydroxychloroquine interaction with cyclobenzaprineCan plaquenil be used with humira 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 Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Dosage Guide -. Hydroxychloroquine MedlinePlus Drug Information. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. 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. Aug 14, 2017 Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis.