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. Retinal thickness changes plaquenil toxicity What symptoms does plaquenil treat Psoriatic arthritis plaquenil outcome Jan 05, 2020 Hydroxychloroquine retinopathy is most influenced by daily dose and duration of use. Risk for toxicity is less with 5.0 mg/kg real weight/day for hydroxychloroquine and 2.3 mg/kg real weight/day for chloroquine. Patients are at low risk during the first 5 years of treatment. Taking Hydroxychloroquine develop toxicity2 It’s rare for side effects to occur with Plaquenil if the medication is dosed properly Side effects Blurred vision, bull’s eye maculopathy, scotoma, vortex keratopathy, headache, accommodative dysfunction, whitening of eyelashes, phototoxicity3 Apr 20, 2011 Problems with Plaquenil Use Toxic maculopathy associated with chloroquine use was first documented in the literature five decades ago.1 In the United States, Plaquenil––an analog to chloroquine––is used to treat a variety of conditions, including rheumatoid arthritis, lupus and several distinct inflammatory disorders. 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 faf Expanded spectral domain-OCT findings in the early detection., Early Plaquenil Toxicity Detected without Bull’s Eye Maculopathy Plaquenil and swollen eyes Executive Summary Recent data have highlighted that hydroxychloroquine retinopathy is more common than previously reported. The prevalence in long term use patients appears to be around 7.5% and depending on dose and duration of therapy Hydroxychloroquine and Chloroquine Retinopathy.. New Plaquenil Guidelines. Hydroxychloroquine retinopathy A review of imaging. If abnormalities are present only unilaterally, investigate other causes besides hydroxychloroquine toxicity see “Differential Diagnosis of Bull’s-Eye Maculopathy”. Mechanism of Toxicity. The mechanism of hydroxychloroquine retinal toxicity has yet to be fully elucidated. 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. 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.