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. Fever with hydroxychloroquine Hydroxychloroquine for sjogren's syndrome vs another drug Why chloroquine is given in liver abscess 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. Aug 14, 2017 Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. According to the Mayo Clinic, it can take up to six months' constant use before an effect is seen in RA. The drug, sold under the brand name Plaquenil, is used on the NHS to treat lupus and rheumatoid arthritis as well as malaria. "It’s very closed to being approved by the FDA and I can't tell. Hydroxychloroquine comes as a tablet to take by mouth. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Can hydroxychloroquine be sold as brand name HYDROXYCHLOROQUINE - ORAL Plaquenil side effects., Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Antibiotics to avoid while on plaquenil 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. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Malaria drug hydroxychloroquine is first approved to treat.. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical.. Check with your doctor right away if you have muscle weakness, pain, or tenderness while using this medicine. Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. Lists the various brand names available for medicines containing hydroxychloroquine. Find information on hydroxychloroquine use, treatment, drug class and molecular formula. What Is It Hydroxycholorquine sold under the brand name Plaquenil, and the closely related chloroquine, were approved in the 1950’s mainly as anti-malaria treatments.