Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Bone marrow failure plaquenil Plaquenil 200 generico Chloroquine and osmotic lysis Plaquenil antacids Plaquenil should not be used in children over 6 years for long periods. Do not take Plaquenil after the expiry date printed on the bottle. It may have no effect at all, or worse, an entirely unexpected effect if you take it after the expiry date. Do not take Plaquenil if the bottle is damaged or shows signs of tampering. Mg PO twice daily plus sulfasalazine 500 to 1000 mg PO twice daily and methotrexate 7.5 to 17.5 mg PO once weekly for 2 years led to an ACR20 in 78% of 58 patients with active disease and a disease duration of at least 6 months. 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. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil 100mg Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine., Plaquenil hydroxychloroquine sulfate dose, indications. Heme chloroquine complexChloroquine show up on a drug testHydroxychloroquine and methotrexateRa drug plaquenil This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Hydroxychloroquine-Induced Retinal Toxicity - American.. Plaquenil - FDA prescribing information, side effects and uses. Plaquenil Uses, Dosage & Side Effects -. What is the dosage for hydroxychloroquine Plaquenil? The usual adult dose for treating malaria is 800 mg initially, followed by 400 mg 6-8 hours later and then 400 mg at 24 hours and 48 hours. The dose for malaria prevention is 400 mg every week starting 1 or 2 weeks before exposure and for 4 weeks after leaving the high risk area. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. An amount of 600 mg of hydroxychloroquine brand name Plaquenil was administered to these patients every day for 10 days. They reported "a significant decrease in viral load". The drug appeared to be responsible for a "rapid and effective speeding up of their healing process, and a sharp decrease in the amount of time they remained contagious".