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 presentation. Chloroquine resistant malaria prophylaxis Doctor took me off plaquenil after hearing loss and ringing To reduce the incidence of chloroquine and hydroxychloroquine toxicity, health care providers HCP's that prescribe these medications and those that screen for ocular toxicity have developed clear dosing and screening protocols that have reduced the risk of end-stage disease; bull's eye maculopathy and central vision loss Level I. Am J Ophthalmol. 2002 May;1335649-56. Hydroxychloroquine and chloroquine retinopathy screening for drug toxicity. Browning DJ1. Author information 1Charlotte Eye, Ear, Therefore, screening of asymptomatic patients is generally recommended in order to detect early evidence of retinopathy. An example of advanced toxicity is presented here. A 68-year-old female with rheumatoid arthritis was treated with hydroxychloroquine 200 mg PO bid for almost five years. Review of systems: Blurred vision, halos, dry eye, dry mouth, gastroesophageal reflux, joint pain Pupils: Reactive to light in each eye from 5 mm in the dark to 2 mm in the light. Extraocular movements: Full, both eyes (OU) Confrontation visual fields: Full OU Intra-ocular pressure The optic nerves appeared healthy with a 0.3 cup-to-disc ratio. Past Ocular History: None Medical History: Sjogren syndrome and inflammatory arthritis, supraventricular tachycardia, anxiety, depression, peptic ulcer disease Medications: prednisone, methotrexate, amitriptyline, ranitidine, estradiol, tizanidine, diltiazem, Restasis Allergies: codeine, droperidol Family History: heart disease, arthritis, cancer Social History: occasional alcohol but no tobacco or intravenous drug use. Hydroxychloroquine and chloroquine retinopathy screening for drug toxicity Hydroxychloroquine-Induced Retinal Toxicity - American., Gov Buy hydroxychloroquine 200 mg A review group convened by the Royal College of Ophthalmologists has updated guidelines on screening for chloroquine and hydroxychloroquine retinopathy Hydroxychloroquine and Chloroquine Retinopathy Recommendations on Screening 2018. Recent data have highlighted that hydroxychloroquine retinopathy is more common than previously reported. HYDROXYCHLOROQUINE SULFATE Drug BNF content published by NICE. New Screening Guidelines for Hydroxychloroquine Toxicity. Hydroxychloroquine and Chloroquine Retinopathy.. Hydroxychloroquine and Ocular Toxicity Recommendations on Screening. The Royal College of Ophthalmologists in association with The British Society for Rheumatology and the British Association of Dermatologists, 2009. Chloroquine is a potent drug used for the treatment of various diseases, including malaria and a range of connective tissue disorders. Chloroquine retinopathy is an important complication that may appear even years after cessation of the drug, presenting with impaired visual acuity, central vision loss and progressive damage that could result in irreversible blindness. A detailed patient. Mar 10, 2017 Hydroxychloroquine HCQ trade name, Plaquenil and chloroquine CQ trade name, Aralen are drugs established in the treatment of autoimmune disease and skin disorders, but are also emerging as a treatment option in oncology and paediatric inflammatory disorders.