Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Chloroquine dosage 4-3-3 Chloroquine for malaria prophylaxis dosing Discover the best Hobby RC Cars in Best Sellers. Find the top 100 most popular items in Amazon Toys & Games Best Sellers. The cost for hydroxychloroquine oral tablet 200 mg is around $40 for a supply of 50, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans. The molecular weight of hydroxychloroquine sulfate is 433.95, and molecular formula is C 18 H 26 ClN 3 O. H 2 SO 4. Plaquenil hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. Inactive Ingredients Dibasic calcium phosphate USP. Plaquenil is used to treat other types of infections too. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Plaquenil price was good rc Prescription Discount Card Compare Best Rx Prices WellRx, Hydroxychloroquine Prices, Coupons & Patient Assistance. Hydroxychloroquine dose in rheumatoid arthritis 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. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Plaquenil - FDA prescribing information, side effects and uses. Plaquenil 200mg Film-coated Tablets - Summary of Product.. GoodRx gathers prices and discounts from multiple sources, including published price lists, drug manufacturers, claims information and data provided to us by pharmacies. Our coupons are provided by Pharmacy Benefit Managers PBMs, who maintain contracts with pharmacies to provide discounts. User Reviews for Hydroxychloroquine. Also known as Plaquenil, Quineprox The following information is NOT intended to endorse any particular medication. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners. Maintenance adult dosage When a good response is obtained, the dosage may be reduced by 50 percent and continued at a maintenance level of 200 mg to 400 mg 155 to 310 mg base daily, administered as a single daily dose or in two divided doses.