Early findings include mottling of the RPE and blunted foveal reflex. As the retinopathy progresses, a bull's-eye maculopathy develops, as seen in these photos. Chloroquine belong to what drug family Hydroxychloroquine retinopathy oct New plaquenil screening guidelines 2016 Hydroxychloroquine Plaquenil; HCQ has been an important and effective drug for the treatment of lupus erythematosus and related autoimmune and inflammatory diseases for half a century, although its potential to cause retinal damage continues to raise concern among rheumatologists and ophthalmologists. Plaquenil-induced toxicity usually will not occur before five years of taking the drug. “Eye damage due to Plaquenil is not common,” he says. “Rarely will anybody who has good vision and minimal symptoms develop loss of central vision or ability to read if annual screening is done and visual are symptoms reported as soon as they occur so the medication can be stopped if toxicity occurs. Hydroxychloroquine, sold under the brand name Plaquenil Sanofi-Aventis, is an antimalarial drug that has gained widespread use in treating various autoimmune diseases, including systemic lupus erythematosus and rheumatoid arthritis. 1 By some estimates, more than 150,000 patients are on long-term therapy with this medication in America alone. 2 Retinal toxicity associated with HCQ use is relatively rare, estimated at 1 percent after five years and rising with continued therapy. 3 However. This patient took hydroxychloroquine for rheumatoid arthritis and her vision dropped to 20/300 as a result of the retinal toxicity. In addition to the bull's-eye maculopathy, patients can demonstrate paracentral scotomas on visual field testing and parafoveal outer retinal atrophy on OCT. Plaquenil cataracts toxicity Hydroxychloroquine toxicity - EyeWiki, Protecting your eyesight when taking Plaquenil Lupus. Who chloroquine and flouroquinolonePlaquenil 20 mgChloroquine phosphate injectionPlaquenil hearing loss Significant cataracts can affect the outcome of the mfERG12 • In studies, 20-60% of patients receiving Plaquenil were found to have mfERG abnormalities—however, clinically significant hydroxychloroquine toxicity is quite rare2 Early Plaquenil Toxicity Detected without Bull’s Eye Maculopathy. Multimodal Imaging in Plaquenil Toxicity. Rx Side Effects New Plaquenil Guidelines and More - American.. Plaquenil is a drug that is stored in high concentrations throughout the body and is very slowly eliminated from the body. It is attracted to the retinal pigmented epithelium in the back of the eye the retina. Although rare, Plaquenil can cause significant toxicity to the eye with prolonged use. Hydroxychloroquine retinopathy. It is known that some people who take. hydroxychloroquine for more than five years and/or in high doses are at increased risk of. damage to their retina, the light sensitive layer of cells at the back of the eye. This is known as. retinal toxicity or retinopathy. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia.