Pattern of Retinopathy: Although the locus of toxic damage is parafoveal in many eyes, Asian patients often show an extramacular pattern of damage. Dose: We recommend a maximum daily HCQ use of 5.0 mg/kg real weight, which correlates better with risk than ideal weight. Plaquenil memory loss Ankylosing spondylitis hydroxychloroquine Plaquenil sulfate 200 mg I started taking Plaquenil 2/2009 by 8/2009 I was noticing changes in my vision. Thing were going dim but the eye doctor kept telling me there was no toxicity. By 2/2010 things were so dim I could not see to shop in stores. I quit taking Plaquenil but the DR still said no toxicity. My eyes continued to get worst. Plaquenil-induced toxic maculopathy was first described in 1967. Because the retinal damage from plaquenil is usually irreversible if present for a more prolonged period of time, it is important to detect the disease in its early stages. Hydroxychloroquine HCQ retinopathy can result in permanent vision loss. In early stages of HCQ retinopathy, patients are usually asymptomatic with preservation of visual acuity. We aspire that our review, in conjunction with the American Academy of. Risk of Toxicity: The risk of toxicity is dependent on daily dose and duration of use. There are no similar demographic data for CQ, but dose comparisons in older literature suggest using 2.3 mg/kg real weight. Maculopathy from plaquenil Hydroxychloroquine toxicity - EyeWiki, Plaquenil-Induced Toxic Maculopathy - Decision-Maker PLUS Plaquenil ophthalmic side effectsSevere side effects of plaquenilDoes plaquenil help infertilityHydroxychloroquine and lansoprazolePlaquenil cause constipation 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. Multimodal Imaging in Plaquenil Toxicity. Hydroxychloroquine retinopathy A review of imaging. How to Succeed in Plaquenil Screenings. Hydroxychloroquine sulfate HCQ, Plaquenil is an analogue of chloroquine CQ, an antimalarial agent, used for the treatment of systemic lupus erythematosus, rheumatoid arthritis and other autoimmune disorders. Its use has been associated with severe retinal toxicity, requiring a discontinuation of therapy. Studies have shown that patients who have manifested with retinopathy have traces of Plaquenil metabolites in their erythrocytes, plasma, and urine even after 5 years of discontinuing the medication 1, 2, 3. Risk Factors. 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.