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. Chloroquine retinal screening Chloroquine phosphate for aquarium Hydroxychloroquine rash treatment Chloroquine retinopathy, is a form of toxic retinopathy damage of the retina caused by the drugs chloroquine or hydroxychloroquine, which are sometimes used in the treatment of autoimmune disorders such as rheumatoid arthritis and systemic lupus erythematosus. This eye toxicity limits long-term use of the drugs. Rheumatologists use hydroxychloroquine sulfate Plaquenil, Concordia Pharmaceuticals to treat autoimmune diseases, namely discoid or systemic lupus erythematosus, rheumatoid arthritis, Sjögren syndrome, and malaria. When taken at high doses and for long durations, hydroxychloroquine has been known to cause parafoveal retinal toxicity. The American Academy of Ophthalmology has published several dosing and screening recommendations for hydroxychloroquine to avoid potential retinal toxicity, yet some patients still experience permanent vision loss resulting from hydroxychloroquine retinopathy due to improper dosing of the drug and improper screening. 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. Plaquenil maculopathy retina Plaquenil-Induced Toxic Maculopathy - Decision-Maker PLUS, Retina Today - Imaging in Hydroxychloroquine Toxicity April. Hydroxychloroquine sulfate pain killer2 hydroxychloroquine sulfate plaquenil sulfateAdderall and plaquenil weight gainWhat does plaquenil do for autoimmune diseasesAct with chloroquine tenafqine Jan 05, 2020 Hydroxychloroquine Plaquenil and chloroquine cause ocular toxicity to various parts of the eye such as the cornea, ciliary body, and retina. Chloroquine can also induce cataract formation; however, no reports of hydroxychloroquine and cataract have been reported 1. Hydroxychloroquine toxicity - EyeWiki. Despite Plaquenil dosing recommendations, retinal toxicity.. Plaquenil Risk Calculators. Utterback’s rheumatologist also referred her to neuro-ophthalmologist David Katz, MD, in Bethesda, Md. “We don’t know which patients might develop Plaquenil retinopathy, but the patient often can see it before the doctor can,” he says. Here are some important warning signs Plaquenil Toxicity is due to its affinity for melanin-containing structures in body. With prolonged usage, metabolites of drug accumulate in the retina. Later in the disease, patients can develop a bilateral bull's eye maculopathy, characterized by a ring of retinal pigment epithelium RPE depigmentation in the macula, sparing the fovea, which is often accompanied by paracentral and central scotomas. End stage hydroxychloroquine toxicity leads to widespread RPE and retinal atrophy with a loss of central vision, peripheral vision, and night vision.