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. Buy hydroxychloroquine sulphate Plaquenil common side effects Chloroquine drug Ideal Body Weight for Calculating Hydroxychloroquine Dosage. The most important risk factor for hydroxychloroquine retinopathy is the daily dose of the drug. If a patient is overweight, one should use the ideal body weight to assess whether the doaily dose is in the toxic range /= 6.5 mg/kg/day. Adults 800 mg 620 mg base followed by 400 mg 310 mg base at 6 hours, 24 hours and 48 hours after the initial dose total 2000 mg hydroxychloroquine sulfate or 1550 mg base. Hydroxychloroquine Plaquenil Dosing Calculator. Calculates maximum daily dose of hydroxychloroquine to reduce risk of retinopathy. Favorite. IMPORTANT. This calculator is for double-checking hydroxychloroquine dosing, and should NOT be used as the primary means for ordering. When to Use. 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 Oral Uses, Side Effects, Interactions., Plaquenil Dosage Guide - Chloroquine cytotoxic falicparumImprovement of ra with hydroxychloroquineHow dispose of chloroquine safely Medication Dosage. Several factors have been associated with the risk of developing hydroxychloroquine retinopathy. One of the most important appears to be dosage—with debate over whether daily intake vs. cumulative dosage is most significant. Hydroxychloroquine-Induced Retinal Toxicity - American.. Hydroxychloroquine Plaquenil Dosing Calculator - MDCalc. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. If you are also taking kaolin or antacids, take them at least 4 hours before or after using hydroxychloroquine. Dosing. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. SAN FRANCISCO – Hydroxychloroquine Plaquenil dosing based on actual body weight – instead of ideal weight – is appropriate for patients with systemic lupus erythematosus SLE, according to a review of 686 lupus patients at Johns Hopkins University in Baltimore. Most were dosed by actual weight, 6.5 mg/kg up to a maximum of 400 mg/day. 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. Pattern of Retinopathy Although the locus of toxic damage is parafoveal in many eyes, Asian.