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. Plaquenil maculopathy stages Plaquenil and iron Plaquenil brand name Hydroxychloroquine Plaquenil was originally used to treat malaria and is now used mostly to treat rheumatological and dermatological diseases. Its most frequent use now is for Rheumatoid Arthritis RA and Lupus and is often very effective in mitigating the joint and arthritic symptoms these diseases can cause. Hydroxychloroquine Plaquenil and chloroquine cause ocular toxicity, including the cornea, ciliary body, and retina. Chloroquine can cause cataract; however, no reports of hydroxychloroquine and cataract have been reported. This article focuses upon hydroxychloroquine retinopathy. It’s generally safe at normal doses, but higher amounts can damage the retina, the light-sensitive tissue at the back of the eye, and result in partial or complete blindness. Hydroxychloroquine-related eye problems were once considered rare, but better detection methods now show that they occur in about 7 percent of patients. 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. Can plaquenil cause eye damage Protecting your eyesight when taking Plaquenil Lupus., Hydroxychloroquine toxicity - EyeWiki Plaquenil overdose treatmentHydroxychloroquine potassiumChloroquine uses other than malariaPlaquenil and shingles vaccine Plaquenil is a drug used to treat Rheumatoid Arthritis and Systemic Lupus Erythematosis. It is a very good drug and gives many patients significant relief from their symptoms. Plaquenil related eye complications are not common. Plaquenil can produce pigment changes in the macula of the retina. Conditions Plaquenil-related Eye Problems Eugene Eye Care. Wrong Hydroxychloroquine Dose Is Common, Putting Eyes at Risk.. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. Aug 14, 2017 Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Blurred vision While taking this medication, use caution when driving or operating machinery, since hydroxychloroquine can cause blurring of vision. If your vision blurs, call your doctor. Eye damage Irreversible damage to the retina of the eye has occurred for some people who take long-term or high-dosage treatment with hydroxychloroquine. Eye damage is more likely to occur if recommended doses are exceeded. 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.