It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine also called Chloroquine hydroxychloroquine Plaquenil and hydroxychloroquine Magnesium with hydroxychloroquin Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis, prevent joint damage and reduce the risk of long- term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Plaquenil related eye complications are not common. 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. 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. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis (or juvenile idiopathic arthritis) and other autoimmune diseases. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Plaquenil eye problems Plaquenil Hydroxychloroquine - Side Effects, Dosage., Conditions Plaquenil-related Eye Problems Eugene Eye Care Pharmacokinetics of chloroquineChloroquine mechanism malaria Sep 13, 2019 Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Plaquenil Side Effects Common, Severe, Long Term -. Wrong Hydroxychloroquine Dose Is Common, Putting Eyes at.. How lupus affects the eyes Lupus Foundation of America. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. especially of certain eye problems. Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. Many eye problems in patients with lupus originate from the drugs doctors use to treat lupus itself. Three groups of medications prescribed for lupus patients are immunosuppressive drugs such as methotrexate and mycophenolate, antimalarials such as hydroxychloroquine Plaquenil®, and steroids.