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 was chloroquine discovered Chloroquine volume of distribution 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. The Plaquenil Problem “Plaquenil toxicity is very distinctive,” said Michael F. Marmor, MD, professor of ophthalmology at Stanford University. Dr. Marmor, who chaired the Academy’s screening guidelines committee, said the goal in Plaquenil screening is to catch changes at a very early stage when there’s just a minimal amount of loss of. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. 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 cataracts Plaquenil Toxicity - Cataract Surgery Louisville KY Bennett., Rx Side Effects New Plaquenil Guidelines and More - American. Plaquenil causing low wbc countHydroxychloroquine and why nightmares Plaquenil hydroxychloroquine is an anti-malarial medication used to effectively treat rheumatoid arthritis and autoimmune conditions such as systemic lupus erythematosus and Sjögren’s Syndrome. Plaquenil is a drug that is stored in high concentrations throughout the body and is very slowly eliminated from the body. PLAQUENIL hydroxychloroquine and the Eye Westford. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Hydroxychloroquine is a medication that is used often to treat conditions such as Rheumatoid Arthritis, Lupus Sarcoidosis, and additional autoimmune disorders. Plaquenil has been known to cause retinopathy or damage to the retina. Hydroxychloroquine or Plaquenil is felt to be safe during the preoperative period. It is recommended to continue this medication without stopping," Dr. Grant said. Plaquenil can change the pigmentation in the skin, so it would stand to reason that it can do the same with hair. I have experienced the change in pigmentation on my legs. It looks like I have a huge bruise on the back of my leg which extends from the calf to the ankle.