It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Plaquenil and acetaminophen Nifedipine and hydroxy chloroquine Hydroxychloroquine is a derivative of chloroquine that has both antimalarial and antiinflammatory activities and is now most often used as an antirheumatologic agent in systemic lupus erythematosis and rheumatoid arthritis. Hydroxychloroquine therapy has not been associated with liver function abnormalities and is an extremely rare cause of clinically apparent acute liver injury. Hydroxychloroquine Oral tablet drug summary. Find medication information including related drug classes, side effects, patient statistics and answers to frequently asked questions. Visit for more details. Molecular Formula C 18 H 26 ClN 3 O. H 2 SO 4. Molecular Weight of 433.95. Each tablet, for oral administration, contains 200 mg hydroxychloroquine sulfate, USP equivalent to 155 mg base. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis (or juvenile idiopathic arthritis) and other autoimmune diseases. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine 200mg Hydroxychloroquine 200 mg Tablets Generic Plaquenil, Hydroxychloroquine Oral Tablet Drug Information, Side. What does plaquenil depleteCan plaquenil raise your blood pressureDoes plaquenil mess up your teethChloroquine-medicated saltWill plaquenil help anemia Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Visit for more details. Hydroxychloroquine Oral Tablet 200Mg Drug Medication.. Hydroxychloroquine Sulfate Tablets, USP 200 mg*. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic. Preparation & Administration. Hydroxychloroquine comes in 200 mg tablets and is taken orally. The dose provided will be based upon a calculation of 6.5 mg/kg subject’s weight, which is the dose range commonly used to treat rheumatoid arthritis and lupus. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. Adults including the elderly The minimum effective dose should be employed. This dose should not exceed 6.5mg/kg/day calculated from ideal body weight and not actual body weight and will be either 200mg or 400mg per day.