There are hundreds of drugs with potential retinal toxicity—so many that the National Registry of Drug-Induced Ocular Side Effects doesn’t stratify them by incidence or effect, said Frederick W. “Rick” Fraunfelder, MD, director of the Registry and associate professor of ophthalmology at Oregon Health & Science University in Portland. Plaquenil retinopathy symptoms Drug reactions in plaquenil Plaquenil causing lyme herxing Rheumatologists use hydroxychloroquine sulfate Plaquenil, Concordia Pharmaceuticals to treat autoimmune diseases, namely discoid or systemic lupus erythematosus, rheumatoid arthritis, Sjögren syndrome, and malaria. When taken at high doses and for long durations, hydroxychloroquine has been known to cause parafoveal retinal toxicity. The American Academy of Ophthalmology has published several dosing and screening recommendations for hydroxychloroquine to avoid potential retinal toxicity, yet some patients still experience permanent vision loss resulting from hydroxychloroquine retinopathy due to improper dosing of the drug and improper screening. Currently, one of the primary functional screening tests recommended for the evaluation of Plaquenil retinal toxicity is 10-2 white stimulus automated visual fields; however, research shows Asian patients benefited from 24-2 or 30-2 visual fields, given that toxicity often manifests changes beyond the macula in these patients. 9 Because spectral-domain optical coherence tomography SD-OCT is readily accessible and able to detect early structural damage prior to clinical funduscopic findings. “It’s a pretty rare thing.” Nevertheless, he urged doctors to master the Academy’s new guidelines, because the effects from chloroquine and hydroxychloroquine, when they do occur, are severe and often irreversible. “Plaquenil toxicity isn’t even in the top 10, or the top 100” if you’re looking at incidence, he said. Retinal thickness changes plaquenil toxicity Retinal Physician - Hydroxychloroquine Maculopathy An Update., Despite Plaquenil dosing recommendations, retinal toxicity. Brand name plaquenil better than genericChloroquine epilepsyCvs caremark does not cover plaquenil Plaquenil toxicity is very distinctive,” said Michael F. Marmor, MD, professor of ophthalmology at Stanford University. Dr. Marmor, who chaired the Academy’s screening guidelines committee, said the goal in Plaquenil screening is to catch changes at a very early stage when there’s just a minimal amount of loss of vision. Rx Side Effects New Plaquenil Guidelines and More - American.. How to Succeed in Plaquenil Screenings. Comparison of Screening Procedures in Hydroxychloroquine Toxicity. Aug 01, 2009 After seeing MANY professionals including a neurologist, a retinal specialist, neuro-ophthalmologist, and undergoing MANY different tests, she was diagnosed with Plaquenil toxicity. She does have field of vision loss, mostly on things that are close up. She took Plaquenil for almost five years before having any symptoms. Sep 15, 2014 Hydroxychloroquine sulfate HCQ, Plaquenil is an analogue of chloroquine CQ, an antimalarial agent, used for the treatment of systemic lupus erythematosus, rheumatoid arthritis and other autoimmune disorders. Its use has been associated with severe retinal toxicity, requiring a discontinuation of therapy. Hydroxychloroquine HCQ; Plaquenil retinopathy ie, HCQ toxicity is a severe complication associated with HCQ intake that can cause irreversible vision loss.1–3 Early detection of retinal toxicity is crucial since vision loss is usually permanent and cellular damage may progress despite discontinuation of treatment.2 3 Although no ideal single test exists for identification of early toxicity, spectral-domain optical coherence tomography SD-OCT plays a critical role in identifying.