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. Stopping plaquenil headaches Chloroquine dosing prophylaxis Plaquenil for hallux limitus Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking Plaquenil and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Plaquenil can produce pigment changes in the macula of the retina. The retina is the part of the back of the eye that you see with. The macula is the central part of the retina responsible for central fine vision. With Plaquenil related toxicity, the pigment in the macula can change and alter vision by producing blurring and distortion of objects. I was wondering if anyone experienced blurry vision on Plaquenil. I have been on Plaquenil for about a month. Every now and then I notice some of the words on the television are blurry, then there are other times my eyes are fine. Should this be a big concern? I It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Plaquenil and vision Plaquenil Hydroxychloroquine Sulfate, Conditions Plaquenil-related Eye Problems Eugene Eye Care Chloroquine and depressionHydroxychloroquine 347Side effects of stopping hydroxychloroquine Plaquenil can cause serious vision problems that aren't always reversible. Tell your doctor immediately if you notice any changes in vision or if you've ever had vision changes while taking. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil eye problems Mayo Clinic Connect. Plaquenil Hydroxychloroquine Side effects, Images, Uses.. This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Aug 29, 2014 Plaquenil, hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory and autoimmune diseases. What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil?