Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Chloroquine side effect Does hydroxychloroquine suppress your immune system Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Important information Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil dosage for discoid lupus Hydroxychloroquine Side-effects, uses, time to work, Plaquenil Oral Uses, Side Effects, Interactions, Pictures, Warnings. Hydroxychloroquine 200 mg goodrxChloroquine sleep 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. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil Hydroxychloroquine for Lupus - LupusCorner. Medical treatment for lupus has made great strides within the last 50 years. This article will help you understand lupus treatments, lupus medications and side effects, and important lifestyle. Regarding hydroxychloroquine levels and lupus activity, Costedoat- Chalumeau et al measured whole blood levels in 143 individuals taking a standard dose of 400 mg per day and found a lower hydroxychloroquine level in those with active disease and that lower baseline levels were predictive of disease flare. Some patients with very severe cases of discoid lupus erythematosus may not respond adequately to the usual dosage of hydroxychloroquine, which is 400 mg per day for a normal-sized adult.