More importantly, I've written an update, Changes in Plaquenil Risk Calculations based on new recommendations based on a 2014 study. The calculator has also been updated to reflect these changes. Does plaquenil cause weight loss or weight gain Act with chloroquine tafenoquine Background/Purpose Hydroxychloroquine HCQ is a widely-used medication in many rheumatologic conditions. The most worrisome toxicity is irreversible damage to retinal pigment epithelium which can lead to blindness. The most recent 2016 guidelines from the American Academy of Ophthalmology AAO recommend the dose of HCQ ≤5 mg/kg real body weight to minimize toxicity1. According to these Many patients treated with hydroxychloroquine receive a dosage that exceeds the recommended maximum, boosting the retinal damage risk. Also, “it is more convenient to prescribe 400 mg daily rather than calculate an exact dosage,” Dr. Koppikar said in an interview. 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. Whenever I want a quick review of Chloroquine and Hydroxychloroquine retinotoxicity I always head to Ron Melton and Randall Thomas's excellent website, Eyeupdate. As all eye care providers should be aware, there have been some revisions in the recommendations of how we monitor our Plaquenil patients secondary to two articles1,2 published earlier this year. Hydroxychloroquine dose calculator Hydroxychloroquine Plaquenil Dosing Calculator - MDCalc, Hydroxychloroquine dosage recommendations often ignored. Hydroxychloroquine crushPlaquenil and sleep apneaChloroquine ibdHydroxychloroquine 200 mg coupon Hydroxychloroquine Plaquenil Dosing Calculator. Calculates maximum daily dose of hydroxychloroquine to reduce risk of retinopathy. Hypoglycemia Risk Score. MDCalc. Plaquenil Risk Calculators. Plaquenil Dosage Guide -. Your doctor will calculate this amount and tell you how much hydroxychloroquine your child should receive. For lupus erythematosus, one or two tablets are usually taken once or twice daily. For rheumatoid arthritis, one to three tablets are usually taken once a day. Hydroxychloroquine can be taken with a glass of milk or a meal to decrease nausea. Hydroxychloroquine is taken in tablet form, with or after food. Your doctor will advise you about the correct dose. Usually you will start on a full dose of 200–400 mg daily, and later your doctor may reduce this. When your condition is very well controlled you may be advised to take hydroxychloroquine only 2–3 times per week. Plaquenil hydroxychloroquine dose calculator - Scleroderma. greypilgrim256. March 24, 2015 at pm; 13 replies; TODO Email modal placeholder. Many folks ask about plaquenil since is it such a frequently prescribed medication for autoimmune conditions. The rule of thumb, as I have read, for plaquenil is to take it "as long as you can" as.