It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Moa chloroquine Hydroxychloroquine breast cancer Chloroquin quinine Plaquenil vulvar lichen planus 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. Typical symptoms are irritated, gritty, scratchy, or burning eyes, a feeling of something in the eyes, excess watering, and blurred vision. Advanced cases of dry eyes may result in damage to the front surface of the eye and impaired vision. The dry eye that is seen in lupus cannot be distinguished from other dry eye conditions. Scleritis The Risk of Retinal Toxicity with Plaquenil. 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. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Symptoms of eye problems from plaquenil Symptoms Plaquenil Maculopathy Retinal Diseases Eye., How lupus affects the eyes Lupus Foundation of America Chloroquine phosphate fish suicideNeuropathy caused by plaquenilCan you take plaquenil with lipitorHydroxychloroquine eye examRetinal thickness map plaquenil toxicity An eye exam is recommended at the start of treatment to detect any existing vision problems; follow-up tests are needed to catch retinal damage in the earliest stages, before symptoms appear. If found later, damage to the eye may be irreversible, even if the medication is stopped. Wrong Hydroxychloroquine Dose Is Common, Putting Eyes at.. The Risk of Retinal Toxicity with Plaquenil. Protecting your eyesight when taking Plaquenil Lupus.. Note that chloroquine is not used frequently in the United States and has been replaced by the use of hydroxychloroquine because the latter has fewer side effects. The Plaquenil Problem “Plaquenil toxicity is very distinctive,” said Michael F. Marmor, MD, professor of ophthalmology at Stanford University. Plaquenil eye problems. Posted by Wesbig @wesbig, Jul 25, 2016. 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? SYMPTOMS. Decreased vision; Photopsias; Glare; Metamorphopsia; Paracentral scotomas; Decreased night vision; Decreased color vision; TREATMENT. No treatment to reverse chloroquine or hydroxychloroquine toxicity. Recommend cessation of the medication, but visual function rarely recovers, especially in the later stages of the disease.