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. Plaquenil 200 mg cena Plaquenil kidney stones Does plaquenil cause weight gain or weight loss Nov 15, 2015 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. Dosages will be rounded to the nearest 100 mg. Taken orally once a day. Administration during or after meals. This article is from June 2011 and may contain outdated material.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. A new study investigating plaquenil hydroxychloroquine or HCQ toxicity and dosing, The Risk of Toxic Retinopathy in Patients on Long-term Hydroxychloroquine Therapy 1, was published last year. This has prompted me to reevaluate and rewrite EyeDock’s plaquenil risk calculator. 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. Dosing plaquenil calculator Aralen, Chloroquine phosphate chloroquine dosing., Hydroxychloroquine-Induced Retinal Toxicity - American. Plaquenil calculatorWhat type of medication is plaquenil The Hydroxychloroquine Dosing Calculator calculates appropriate daily dose of hydroxychloroquine. Hydroxychloroquine Plaquenil Dosing Calculator - MDCalc. Changes to plaquenil risk calculations. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Standard dosing At first, 800 milligrams mg 4 tablets taken as a single dose. Then, 400 mg taken 6 hours, 24 hours, and 48 hours after the first dose. Weight-based dosing Dose is based on body weight and must be determined by your doctor. At first, 13 milligram mg per kilogram kg of body weight taken as a single dose. Despite the fact that 1 there may be some gray areas in Plaquenil dosage calculations and 2 daily dosage is not the only risk factor, it is a risk factor that the eye care specialist can assess. Again, the calculations are not especially difficult, but I hope I can make them a little easier for the busy practitioner. Abstract. Background The American Academy of Ophthalmology recommendations on screening for chloroquine CQ and hydroxychloroquine HCQ retinopathy are revised in light of new information about the prevalence of toxicity, risk factors, fundus distribution, and effectiveness of screening tools.