Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Stopping plaquenil medication Can you take ibuprofen with plaquenil Will i feel worse before i feel better on plaquenil 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. Children's doses are based on body weight and are calculated as 5 mg of hydroxychloroquine base per kilogram of body weight to a maximum dose of 400 mg. For treatment of acute attacks of malaria, the recommended starting dose for adults is 800 mg followed by 400 mg after 6 to 8 hours. Urine hydroxychloroquine levels were still detectable after 3 months with approximately 10% of the dose excreted was parent drug. Results following a single dose of a 200 mg tablet versus i.v. infusion 155 mg, demonstrated a half-life of about 40 days and a large volume of distribution. 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 Dosage Guide -, Plaquenil - Uses, Side Effects, Interactions - Plaquenil for autoimmune hepatitis 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. Plaquenil Concordia Pharmaceuticals Inc. FDA Package Insert. Plaquenil hydroxychloroquine sulfate dose, indications.. Find patient medical information for Etodolac Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. A risk factor for Plaquenil hydroxychloroquine retinotoxicity is a daily dose that exceeds 5.0 mg of drug per kg of body weight. The tool on the right simply calculates this threshold based on a ppatient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity. By the old standards, obese people, if dosed by their actual weight, could be overmedicated, Dr. Marmor said. If you’re short, the standard prescription of 200 mg of Plaquenil, twice daily, is too much, he said. The recommended dosage is no more than 6.5 mg/kg/day, using the standard known as “ideal weight,” which factors in height. Dr.