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. Can plaquenil discolor yiur skin Im chloroquine dosage for adults Spotting the Telltale Signs of Plaquenil Toxicity Subtle but characteristic alterations on OCT are often your first clue. Home Current Issue Subscribe e-Newsletters Continuing Education Meetings Archives. Patient Handouts Optometric Study Center Editorial Staff Business Staff Media Kit Multimedia Web Exclusives. Toxicology Continuing Education. Lifelong learning is essential for keeping on top of new developments in toxicology. Each year new exposures emerge and therapies evolve. AACT provides a wide range of live, print, and online educational opportunities and educational credit for physicians, pharmacists, nurses, and other health care providers. Pasadhika S, Fishman GA. Effects of chronic exposure to hydroxychloroquine or chloroquine on inner retinal structures. Eye Lond. 2010 Feb. 24 2340-6. Michaelides M, Stover NB, Francis PJ, Weleber RG. Retinal toxicity associated with hydroxychloroquine and chloroquine risk factors, screening, and progression despite cessation of therapy. 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. Plaquenil toxicity continuing education Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Toxicology Continuing Education Chloroquine qt prolongationWhat does plaquenil depleteChloroquine over the counter usaHydroxychloroquine sulfate monitorHydroxychloroquine erg Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria. Hydroxychloroquine Oral Route Description and Brand.. Chloroquine and Hydroxychloroquine Toxicity Practice.. Tackle Toxicity Course Outline - Optometry. Plaquenil is known to show retinal toxicity which can effect the vision and it is imperative to be able to spot any changes and to contact the patient's rheumatologist to notify them about the changes. The presentation goes over how to spot and what testing to perform to make sure there is no retinal toxicity. Determination of hydroxychloroquine toxicity Plaquenil toxicity. In general, an abnormal mfERG indicates that the foveal cones and/or bipolar cell layers are dysfunctional and the source of vision loss. Unlike the focal ERG, mfERG also indicates the precise distribution of the retinal dysfunction. Plaquenil is very effective for the symptoms of achiness and fatigue. However, there might be a price to pay in terms of retinal toxicity especially after taking it for as long as you have. Given that the alopecia had developed while you were on the plaquenil, it's not clear that going back on it will help that symptom much.