One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Generic plaquenil ingredients Why does plaquenil take so long to work Plaquenil side effects skin rash New Screening Guidelines for Hydroxychloroquine Toxicity Experts explain their role in clinical practice. Stephen G. Schwartz, MD, MBA • William F. Mieler, MD. Hydroxychloroquine Plaquenil, Sanofi-Aventis remains widely used in the treatment of various rheumatologic disorders. Sep 23, 2015 Patients starting chloroquine CQ or hydroxychloroquine HCQ; i.e. Plaquenil should have a baseline examination that serves as a reference point, as well as to rule out any preexisting maculopathies. Hydroxychloroquine And Chloroquine Screening 2016 AAO Recommendations The American Academy of Ophthalmology released an updated set of screening recommendations for hydroxychloroquine Plaquenil and chloroquine to account for the many studies that have shown the effects of these medications on the retina 1. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Plaquenil retinal screening guidelines Retinal Physician - Hydroxychloroquine Maculopathy An Update., Quick Reference Screening for Chloroquine. Chloroquine huh7 Recommendations by the AAO to limit HCQ dosing to 6.5 mg/kg of ideal body weight have been 31 revised to 5 mg/kg of actual body weight 5. Some authors recommend 6.5 mg/kg of actual AMERICAN COLLEGE OF RHEUMATOLOGY. Hydroxychloroquine And Chloroquine Screening 2016 AAO.. My Take on New Ocular Screening Guidelines for Plaquenil.. Patients taking 500mg/d of CQ salt 8.3mg/kg/d were found to have a serum concentration of CQ of 10uM. 12 Unfortunately, patients taking this high of dose of CQ for prolonged periods of time are at risk of developing retinopathy – the maximum daily dose of CQ recommended by guidelines from the American Academy of Ophthalmology are 2.3mg/kg. A review group convened by the Royal College of Ophthalmologists has updated guidelines on screening for chloroquine and hydroxychloroquine retinopathy Hydroxychloroquine and Chloroquine Retinopathy Recommendations on Screening 2018. Recent data have highlighted that hydroxychloroquine retinopathy is more common than previously reported. Patients taking Plaquenil should have an early baseline assessment of visual acuity, macular appearance and central field sensitivity. The macular appearance and function should be checked at intervals of 6 to 12 months.