Plaquenil is less toxic than chloroquine; however, long-term use of either drug can result in macular toxicity, leading to devastating irreversible vision loss. The mechanism of this toxicity is not clearly understood, though it is believed that the drug molecule binds to melanin in the retinal pigment epithelium (RPE). Why would a hiv patient use plaquenil Prasco brand plaquenil Plaquenil and cholesterol ABSTRACTAnalysis of all published cases and Food and Drug Administration FDA reports of retinopathy attributed to hydroxychloroquine sulfate Plaquenil does not reveal any evidence of permanent visual field scotoma occurring when the daily dose is related to body weight and does not exceed 6.5 mg A risk factor for Plaquenil hydroxychloroquine retinotoxicity is a daily dose that exceeds 5.0 mg of drug per kg of body weight. The tool on the right simply calculates this threshold based on a ppatient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity. Jan 18, 2019 Hydroxychloroquine Plaquenil was originally used to treat malaria and is now used mostly to treat rheumatological and dermatological diseases. Its most frequent use now is for Rheumatoid Arthritis RA and Lupus and is often very effective in mitigating the joint and arthritic symptoms these diseases can cause. Binding of the drug to melanin in the RPE contributes to, or prolongs, its toxic effects. This leads to disruption and damage to the photoreceptors and outer nuclear and plexiform layer, sparing the foveal center and resulting in the “bull’s eye” appearance in the late stage of the disease. Ocular safety of hydroxychloroquine Hydroxychloroquine and retinal safety - The Lancet, Plaquenil Risk Calculators Plaquenil is for Apr 20, 2011 A 45-year-old black female presented with no ocular or visual complaints. Her ocular history was unremarkable. However, her medical history was significant for a recent diagnosis of lupus. Her rheumatologist instructed her to undergo a baseline ocular examination prior to initiating Plaquenil hydroxychloroquine, Sanofi-Aventis therapy. New Plaquenil Guidelines. What can Hydroxychloroquine Plaquenil do to my eyes?. Hydroxychloroquine Plaquenil Toxicity and.. Macular Society Eye screening for patients taking hydroxychloroquine Hydroxychloroquine is a medication used to treat several conditions including rheumatoid arthritis, systemic lupus erythematosus, some skin conditions especially photosensitive ones and others that involve inflammation. It was previously used in the treatment and Eye care specialists provide a valuable service when screening for Plaquenil retinal toxicity and advising the treating physician or rheumatologist with regards to the patient’s risk, safe dosing and appropriate screening procedures. Hydroxychloroquine balancing the need to maintain therapeutic levels with ocular safety an update. Abdulaziz N1, Shah AR2, McCune WJ1. Author information 1Division of Rheumatology, Department of Internal Medicine. 2Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan, USA.