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. Hydroxychloroquine sulfatr interactions Can i take plaquenil and methotrexate together Chloroquine and azithromycin interaction Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil 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, and Southern Asia. This article is from June 2011 and may contain outdated material.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. One PLAQUENIL tablet contains 200 mg of hydroxychloroquine sulfate, which is equivalent to 155 mg base. Take PLAQUENIL with a meal or a glass of milk. Malaria Prophylaxis. Adults. 400 mg 310 mg base once weekly on the same day of each week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area. 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. Mg for an average person on plaquenil Hydroxychloroquine Dosage Guide with Precautions -, Hydroxychloroquine-Induced Retinal Toxicity - American. Lupus miliaris disseminatus faciei hydroxychloroquineChloroquine and arthritisPlaquenil 40 mg The recommended Plaquenil dosage for malaria prevention is 400 mg once weekly, starting two weeks before the anticipated exposure. The usual starting dosage for treating lupus is 400 mg once or twice a day, and the recommended starting dose for the treatment of rheumatoid arthritis is 400 to 600 mg daily. Plaquenil Dosage - Antibiotics Home Page. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Again, calculating "safe" daily plaquenil dosage for this weight 66.02 kg * 6.5 mg/kg/qd = 429 mg. As expected, it indicates a higher "safe" dosage 429 vs 356mg than the calculation using ideal body weight for this height. For the last time, let's graph this relationship to get a look at the big picture Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Plaquenil comes in 200 milligram mg tablets that are taken by mouth. The higher dose may have side effects in a small percentage of people. In such cases, doses may be reduced at first, or.