It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria. Methotrexate vs plaquenil Chloroquine phosphate syrup dosage Summary Weight increased is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 month, also take medication Actemra, and have Pain. In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. It is also used to treat acute and chronic rheumatoid arthritis. Hydroxychloroquine is used to treat discoid lupus erythematosus (DLE) or systemic lupus erythematosus (SLE or lupus). Plaquenil cause weight gain Medrol, Plaquenil and weight gain - Sclero Forums MAIN., Plaquenil Hydroxychloroquine - Side Effects, Dosage. Hydroxychloroquine eyesPlaquenil cognitive side effects Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil Oral Uses, Side Effects, Interactions.. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Will you have Weight loss with Plaquenil - eHealthMe. Doctors give unbiased, trusted information on whether Plaquenil can cause or treat Weight Gain Dr. Valdez on hydroxychloroquine and weight gain Depression can cause weight gain and loss, but alopecia not a common sign of depression. Hydroxychloroquine Plaquenil This is the most commonly prescribed antimalarial because it is generally believed to cause fewer side effects than the others. Learn about side effects further down in this blog. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days.