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. How does plaquenil treat rheumatoid arthritis Plaquenil trackid sp-006 Hydroxychloroquine is generally prescribed at a daily dose of 6.5 milligrams or less per kilogram of body weight. Using this formula, the dosage for a 150-pound person would be 443 mg/day, as one kilogram equals 2.2 pounds. Because HCQ is formulated as a 200 mg tablet, many people taking it for lupus will take two pills per day. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. All her MG and lupus symptoms significantly improved after treatment with an increased dose of Mestinon and Plaquenil combined. The second case presented was of another woman, age 56, who had been diagnosed with MG at 10 years old. 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. Dose of plaquenil for lupus Hydroxychloroquine Plaquenil RheumTutor, Hydroxychloroquine Side Effects, Dosage, Uses, and More Whats the dosage that causes plaquenil toxicityHydroxychloroquine in lupus pregnancy. Oct 29, 2018 Recommendations released in 2016 by the American Academy of Ophthalmology for hydroxychloroquine emphasize the risk for retinopathy and suggest the dose be limited to 5 mg/kg of body weight. Experts debate hydroxychloroquine dosing guidelines in lupus. In MG/Lupus Overlap, Thymus May Play Key Role, Case Series.. Plaquenil Hydroxychloroquine MyLupusTeam. Plaquenil is a slow-acting drug, meaning that it can take up to 6 months to experience the full benefits of this medication, but it is possible for symptoms to improve in as few as 1 or 2 months. Plaquenil and other antimalarials are the key to controlling lupus long-term, and some lupus patients may be on Plaquenil for the rest of their lives. Hi - Has anyone switched from the standard 400 mg dose to a maintenance dose of 200 mg of Plaquenil? I've been on 400 mg. for over a year and have thought about asking if I could reduce the dose. It would just make it easier than having to take it twice a day. Thank you for your input! - Angie, For a while, I Apr 10, 2019 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.