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 after drug cessation. Chloroquine torsades Chloroquine phosphate sds Hydroxychloroquine card Chloroquine and fluoroquinolone dissertation H ydroxychloroquine HCQ; Plaquenil, Sanofi, Bridgewater, NJ is an antimalarial agent that is also commonly used as a treatment for a variety of rheumatologic and dermatologic conditions, such as rheumatoid arthritis and systemic lupus erythematosus. This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Diagnosis Hydroxychloroquine-induced retinal toxicity Discussion. Chloroquine CQ and hydroxychloroquine Plaquenil HCQ have been used for many years, initially for the treatment of malaria but now more commonly for the treatment of inflammatory diseases such as rheumatoid arthritis and lupus 1. Main Outcome Measures: SD-OCT findings suggestive of HCQ retinopathy before parafoveal ellipsoid disruption. Retrospective clinical data review by the Boston Image Reading Center. Plaquenil retinopathy oct Multimodal Imaging in Plaquenil Toxicity, Hydroxychloroquine-Induced Retinal Toxicity - American. Plaquenil overdose fatalPlaquenil and zantacBenefits of plaquenil for sjogren& 39Aralen precauitionsHydroxychloroquine aplastic anemia A cookie-cutter approach to dosing Plaquenil hydroxychloroquine, Sanofi-Aventis, an anti-malarial drug that has been used as a treatment for systemic lupus erythematosus and rheumatoid arthritis. Despite Plaquenil dosing recommendations, retinal toxicity.. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Hydroxychloroquine toxicity - EyeWiki. Apr 10, 2019 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. Spectral domain optical coherence tomography SD OCT images, red-free photos, and fundus autofluorescence FAF demonstrate a spectrum of findings seen with different stages of hydroxychloroquine retinopathy. Note the increased signal of choroidal vessels. Recommendations on Screening for Chloroquine and Hydroxychloroquine Retinopathy Retinal toxicity from chloroquine CQ and its analogue, hydroxychloroquine HCQ, has been recognized for many years. Chloroquine toxicity remains a problem in many parts of the world, but is seen less frequently in the United States where the drug largely has been replaced by HCQ.