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. Hemozoin chloroquin Hydroxychloroquine 200 mg prices Lupus hydroxychloroquine side effects In individuals of Asian descent, retinal toxicity may first be noticed outside macula; in patients of Asian descent, it is recommended that visual field testing be performed in central 24 degrees instead of central 10 degrees Visual field tests take a long time to complete and can be difficult for patients. A traditional 10-2 test takes at least 15 minutes per eye, and if a 24-2 is added, a patient is taking the tests. 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. 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 visual field asian Protecting your eyesight when taking Plaquenil Lupus., Despite Plaquenil dosing recommendations, retinal toxicity. Malarone and plaquenil In patients of Asian descent, it is recommended that visual field testing be performed in the central 24 degrees instead of the central 10 degrees. It is recommended that hydroxychloroquine be discontinued if ocular toxicity is suspected and the patient should be closely observed given that retinal changes and visual disturbances may progress even after cessation of therapy. Plaquenil Concordia Pharmaceuticals Inc. FDA Package Insert. Eye screening for patients taking hydroxychloroquine.. Visual Fields and Plaquenil Medical Billing and Coding.. Pericentral Retinopathy and Racial Differences in Hydroxychloroquine Toxicity Article in Ophthalmology 1221 December 2014 with 86 Reads How we measure 'reads' In individuals of Asian descent, retinal toxicity may first be noticed outside the macula. In patients of Asian descent, it is recommended that visual field testing be performed in the central 24 degrees instead of the central 10 degrees. It is recommended that hydroxychloroquine be discontinued if ocular toxicity is suspected and Nov 18, 2011 Although visual field defects in HCQ toxicity can be highly variable in terms of the depth of defect, all our patients showed a similar pattern on 10-2 white, with the same areas affected. However, one needs to look carefully for subtle decreases in threshold in the area at risk 2–6 degrees from center.