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. Symptoms of plaquenil toxicity Should i take hydroxychloroquine sulfate Plaquenil bullseye retinopathy Although hydroxychloroquine retinal toxicity is thought to be rare, recent studies suggest it may have a higher prevalence than previously recognized. A large study examining patients with more than 5 years of HCQ use were evaluated with 10-2 visual fields or spectral-domain optical coherence tomography SD OCT. A subtle case of hydroxychloroquine retinopathy spectral domain optical coherence tomography findings Skip to main content Thank you for visiting Optical coherence tomography OCT January 5, 2017 Re "Plaquenil Toxicity Screening" Presentation. To whom it may concern, I would like to extend my apology for not properly submitting the forms for the requested presentation listed above. Moving forward I will be emailing all requests to make the follow up process easierand not mail. 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 toxicity oct findings Optical coherence tomography based microangiography findings., A subtle case of hydroxychloroquine retinopathy spectral. What is the eye screening test before you take plaquenil TD-OCT FF- ERG. Too many borderline findings. Normal Normal Normal. 6/5/2018 21. 6/5/2018 22 Thank you! Plaquenil toxicity screening has new guidelines that were updated in 2016. This is an update for your information if you have more questions about specific cases or need an mfERG for a patient, PowerPoint. Update on Plaquenil Testing. Plaquenil Toxicity Screening Macula and Retina Institute c/o.. HCQ Retinopathy Update 2019. Of course the aim is avoid drug related retinal toxicity, which on ophthalmic examination, appears as the classic Bull’s eye change affecting the macula. Once retinal toxicity from hydroxychloroquine occurs, it is thought that the retinal changes are permanent and the disease can progress even if hydroxychloroquine is stopped for 1 to 3 years. To report expanded SD-OCT findings of HCQ retinopathy that may assist the clinician in earlier diagnosis. To characterize structural changes of HCQ retinopathy with SD-OCT after drug cessation. Setting Private practice and academic institution. Patient Population Patients at New England Eye Center and Ophthalmic Consultants of Boston in Boston, MA diagnosed with HCQ retinopathy and followed. Ocular findings of HCQ retinal toxicity as detected by various screening modalities. A female patient was diagnosed with HCQ retinal toxicity at the age of 53 years, having taken HCQ for 12 years at 400 mg/day.