Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Ocular issue plaquenil Plaquenil and hemolytic anemia Plaquenil side effects can you drink Ra plaquenil success rates 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. The other major concern with maculopathy is that it may cause test abnormalities that interfere with the interpretation of screening procedures visual fields, SD OCT, fundus autofluorescence FAF, multifocal electroretinogram mfERG. Thus, significant central photoreceptor loss would be a contraindication. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Early plaquenil visual field Multimodal Imaging in Plaquenil Toxicity, Recommendations on Screening for Chloroquine and. Hydroxychloroquine 300 mg In the 4 patients with visual field defects, the median age was 51 years, the median duration of treatment was 3.5 years, and the median cumulative dose of hydroxychloroquine sulfate was 328.4 g. Treatment was stopped in this group after a minimum of 2 abnormal visual field test results. Early Paracentral Visual Field Loss in Patients Taking.. Hydroxychloroquine-Induced Retinal Toxicity - American.. How to Succeed in Plaquenil Screenings. Visual Fields Early drug toxicity can cause bilateral, relative paracentral scotomas4 Defects can be present BEFORE definitive signs are seen on fundus examination. A white-on-white 10-2 threshold visual field is recommended.19 • Want to pay close attention 2-6 degrees from fixation21 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. Patients taking Plaquenil should have an early baseline assessment of visual acuity, macular appearance and central field sensitivity. The macular appearance and function should be checked at intervals of 6 to 12 months. Factors such as renal or liver impairment must be considered in the dosing of this medication.