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. Plaquenil immune system Hydroxychloroquine dosage for osteoarthritis Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Hydroxychloroquine Plaquenil Dosing Calculator. Calculates maximum daily dose of hydroxychloroquine to reduce risk of retinopathy. Hypoglycemia Risk Score. 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. 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 Plaquenil Dosage Guide -, MDCalc Chloroquine cdc malariaPlaquenil 200mg dosageAzathioprine and plaquenilHydroxychloroquine nursing interventionsChloroquine-resistant malaria is now widespread in africa A cookie-cutter approach to dosing Plaquenil. “When you use real weight to calculate dose, the risk is exactly the same whether you weigh 90 pounds or 250 pounds. To me, that’s how drug. Despite Plaquenil dosing recommendations, retinal toxicity.. Hydroxychloroquine MedlinePlus Drug Information. ACR Actual-weight hydroxychloroquine dosing works in SLE.. Hydroxychloroquine retinopathy is most influenced by daily dose and duration of use. Risk for toxicity is less with 5.0 mg/kg real weight/day for hydroxychloroquine and 2.3 mg/kg real weight/day for chloroquine. Patients are at low risk during the first 5 years of treatment. 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 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.