Increased hydroxychloroquine blood levels can be used to predict later hydroxychloroquine retinopathy, according to findings published in Arthritis & Rheumatology.
βThe American Academy of Ophthalmology (AAO) 2011 recommendations advised hydroxychloroquine weight-based dosing of 6.5 mg/kg with a maximum dose of 400 mg/day,β Michelle Petri, MD, MPH, of the Johns Hopkins University School of Medicine, and colleagues wrote. β[However,] a retrospective review of 2,361 Kaiser Permanente patients who had used hydroxychloroquine, reported toxicity at 5 years in under 1%, up to
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