The toxicities can be grouped into categories such as pigmentary retinopathies, crystalline retinopathies, retinal vasculopathies, and retinopathies characterized by retinal edema or folds. Here we present a case of topiramate (Topamax, Ortho-Mc Neil Neurologics) causing transient angle closure and retinal folds. Chloroquine and malaria treatment When is it best to take plaquenil Hydroxychloroquine does it make you feel dizzy 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. Plaquenil toxicity is typically asymptomatic in early stages, but over time can lead to severe vision loss and retinal damage. The risk of retinal toxicity was initially believed to be less than 1%. Risks for toxicity According to the AAO, patients who take an appropriate dose based on real weight have a less than 1% risk for developing HCQ retinal toxicity during the first 5 years of use and. A 26-year-old woman reported to the emergency room with a chief complaint of sudden, painless loss of vision in both eyes. We follow with a review of the literature regarding topiramate toxicity, as well as a brief review of the other major categories of pharmacologic retinal toxicity. Retinal plaquenil toxicity The Risk of Retinal Toxicity with Plaquenil - Sjogren's, How to Succeed in Plaquenil Screenings Can plaquenil affect thyroidPlaquenil sulfate tablet Although it is not possible to predict which patients will develop retinal toxicity, high-risk characteristics include the following daily dose greater than 400 mg or, in people of short stature, a daily dosage over 6.5 mg/kg ideal body weight or total cumulative dose of more than 1,000 g. Hydroxychloroquine-Induced Retinal Toxicity - American.. Despite Plaquenil dosing recommendations, retinal toxicity.. New Plaquenil Guidelines. Aug 06, 2014 Hydroxychloroquine, sold under the brand name Plaquenil Sanofi-Aventis, is an antimalarial drug that has gained widespread use in treating various autoimmune diseases, including systemic lupus erythematosus and rheumatoid arthritis. 1 By some estimates, more than 150,000 patients are on long-term therapy with this medication in America alone. 2 Retinal toxicity associated with HCQ use is. Nov 01, 2015 H ydroxychloroquine HCQ; Plaquenil, Sanofi, Bridgewater, NJ is an antimalarial agent that is also commonly used as a treatment for a variety of rheumatologic and dermatologic conditions, such as rheumatoid arthritis and systemic lupus erythematosus. The most common side effect associated with its use is retinal toxicity, which may be irreversible. Hydroxychloroquine is a commonly used medication for rheumatoid arthritis, systemic lupus erythematosus, discoid lupus, Sjögren syndrome, juvenile idiopathic arthritis, other mixed connective tissue autoimmune conditions, non-small cell lung cancer, and graft-versus-host disease GVHD, to name a few.