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. Plaquenil immunosuppression Can plaquenil cause muscle weakness Pnemonitis treatment plaquenil Does hydroxychloroquine tabs disrupt immune system Fundus Autofluorescence. 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, don’t hesitate to contact me. Title 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. Autofluorescence imaging—commonly using a 488-nm Scanning Laser Ophthalmoscope to detect lipofuscin autofluorescence—may detect early photoreceptor damage. Progressive hydroxychloroquine toxicity mimicking low-tension glaucoma after discontinuation of the drug. 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 autofluorescence Plaquenil Risk Calculators, Recommendations on Screening for Chloroquine and. Does chloroquine interact with vitaminsHow do you stop taking plaquenilPlaquenil arthritis australia Other useful screening tests are multifocal electroretinogram mfERG and fundus autofluorescence FAF. It is not advised and/or is no longer standard of care to order fundus photos, time-domain OCT, FA, full-field ERG, Amsler grids, color vision testing, or electrooculography EOG to screen for Plaquenil toxicity. Determine risk for hydroxychloroquine retinal toxicity.. Hydroxychloroquine-related retinal toxicity Rheumatology.. Clinical applications of fundus autofluorescence in.. The risk for Plaquenil toxicity increases after five years, and retinal changes take time to develop. So keep in mind that patients who have been switched to a newer medication could still demonstrate toxicity if they were once on Plaquenil. 1. Marmor MF, Kellner U, Lai TY, et al. American Academy of Ophthalmology. A multitude of tests are needed to detect the earliest possible signs of hydroxychloroquine toxicity, according to Andrew A. Moshfeghi, MD, MBA. “Widefield fundus autofluorescence and OCT. The Risk of Retinal Toxicity with Plaquenil. Posted on Fri. mfERG, fundus autofluorescence FA imaging, and optical coherence tomography. Recent findings suggest that Plaquenil toxicity can develop among patients that are taking the drug at a daily dose lower than the suggested “safe” dose and/or have been on Plaquenil for shorter.