Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil dosage Plaquenil methotrexate rheumatoid arthritis Plaquenil alopecia Brand names for hydroxychloroquine include Plaquenil. Hydroxychloroquine Prices. This hydroxychloroquine price guide is based on using the discount card which is accepted at most U. S. pharmacies. The cost for hydroxychloroquine oral tablet 200 mg is around $40 for a supply of 50, depending on the pharmacy you visit. The recommended adult dose for rheumatoid arthritis is 400-600 mg daily for 4-12 weeks followed by 200-400 mg daily. Systemic lupus erythematosus is treated with 400 mg once or twice daily for several weeks then 200-400 mg daily. Hydroxychloroquine should be taken with food or milk in order to reduce stomach upset. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. 6.5 mg/kg maximum dose 400 mg should be given. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil 40 mg Plaquenil Concordia Pharmaceuticals Inc. FDA Package Insert, Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Plaquenil and tbPlaquenil sulfate 200 mg oral tablet Hydroxychloroquine generally is given to adults in doses of 200 mg or 400 mg per day. In some cases, higher doses can be used. Your doctor may gradually increase or decrease your dosage over time to find the right levels for your specific symptoms and needs while having the least amount of negative side effects. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Rx Side Effects New Plaquenil Guidelines and More - American.. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg administration. Inactive Ingredients Dibasic calcium phosphate USP, hypromellose USP, magnesium stearate. 155 mg, demonstrated a half-life of about 40 days and a large volume of distribution. 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. Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America.