However, the retinopathy, described as a bull’s-eye, is untreatable and tends to progress even after cessation of the drug. Accordingly, in recent years there has been an increased emphasis on more effective screening measures utilizing multimodal imaging techniques to elicit early signs of toxicity before the characteristic advanced changes manifest clinically. What is hydroxychloroquine sulphate used for Hydroxychloroquine in real life Hydroquinone plaquenil Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Plaquenil Hydroxychloroquine may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Bull's-eye maculopathy due to hydroxychloroquine toxicity. Contributor Jesse Vislisel, MD Photographer Randy Verdick, FOPS September 9, 2013. This patient took hydroxychloroquine for rheumatoid arthritis and her vision dropped to 20/300 as a result of the retinal toxicity. In the earliest stages of HCQ toxicity, patients are often asymptomatic with preservation of visual acuity. This review summarizes the clinical presentation of HCQ retinopathy, current American Academy of Ophthalmology recommended screening guidelines and contribution of ancillary imaging studies in establishing a timely diagnosis. Plaquenil bull& 39 Early Plaquenil Toxicity Detected without Bull’s Eye., Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. Plaquenil and stomach ulcers Learn more about Verbena uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Verbena Verbena Uses, Side Effects, Interactions, Dosage, and Warning. Bull's-eye maculopathy due to hydroxychloroquine toxicity. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Plaquenil Toxicity both Eyes - Partial Bull's Eye - Discontinued 6 Years ago 1042 views 82-year-old woman was on Plaquenil from 1976 from 2005, 200 mg a day. It was discontinued because of abnormal visual fields 6 years ago. A 57-year-old female presented to the Ophthalmology clinic at UIHC complaining bilateral central photopsias for the past two years. She suffered from Sjogren syndrome and inflammatory arthritis and was currently treated with prednisone and methotrexate. She was previously treated with hydroxychloroquine Plaquenil 200mg bid 6.5mg/kg for 10 years, which was stopped one year prior to.