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. How does azithoprine work with plaquenil fir lupus Chloroquine retinopathy Plaquenil and hair color 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. Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. 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. 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 DMARDs for Treating Rheumatoid Arthritis, Plaquenil Side Effects Common, Severe, Long Term - Plaquenil para el lupusPlaquenil vs humiraChloroquine dosage adultChloroquine elimination routeIs plaquenil hard on the liver 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.. Eye screening for patients taking hydroxychloroquine Plaquenil. Multimodal Imaging in Plaquenil Toxicity. Early signs visual field defects on 10-2 HVF usually paracentral, perifoveal and parafoveal thinning of the retina with loss of the inner/outer segment junction on SD-OCT, increased or decreased signal on autofluorescence, central/paracentral ERG depression on mfERG, +/- changes on Amsler grid, +/- subtle RPE changes, +/- decreased color vision 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. In early cases of toxicity, visual fields will typically reveal a paracentral scotoma. If a 24-2 or 30-2 field is performed, be way of overlooking the 2-degree field of sparing seen on 10-2 fields; in these tests, a small central defect may be seen instead.