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. Adverse effects of long term use of plaquenil Chloroquine phosphate 250 mg oral tablet Side effects of plaquenil medication Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Call your doctor at once if you have 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. Patients with retinal changes may be asymptomatic initially, or may have scotomatous vision with paracentral, pericentral ring types, temporal scotomas, and abnormal color vision.-Corneal changes including edema and opacities can be symptomless or may cause disturbances such as haloes, blurring of vision or photophobia. They may be transient. 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. Retinal changes with plaquenil Early Plaquenil Toxicity Detected without Bull’s Eye Maculopathy, Retina Today - Imaging in Hydroxychloroquine Toxicity April. Hydroxychloroquine uses Protecting your eyesight when taking Plaquenil. With all of the physical and emotional complications that lupus can cause, it’s easy to overlook symptoms that seem minor at first. But take this advice Don’t ignore changes in vision. Protecting your eyesight when taking Plaquenil Lupus Foundation of.. Plaquenil Side Effects Common, Severe, Long Term -. Hydroxychloroquine Plaquenil Toxicity and.. Retinal toxicity of Plaquenil may manifest itself with subtle disturbances of the retinal pigment epithelium which may eventually lead to complete destruction of the macula in the form of bull’s-eye maculopathy. Several risk factors may increase the likelihood of retinal toxicity from Plaquenil such as. Currently, one of the primary functional screening tests recommended for the evaluation of Plaquenil retinal toxicity is 10-2 white stimulus automated visual fields; however, research shows Asian patients benefited from 24-2 or 30-2 visual fields, given that toxicity often manifests changes beyond the macula in these patients. 9 Because spectral-domain optical coherence tomography SD-OCT is readily accessible and able to detect early structural damage prior to clinical funduscopic findings. Ocular Surgery News The American Academy of Ophthalmology has published several dosing and screening recommendations for hydroxychloroquine to avoid potential retinal toxicity, yet some patients.