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. Que es el plaquenil Plaquenil and feeling sick How much weight did people lose on hydroxychloroquine 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. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine 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. Call your doctor at once if you have Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. 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. Whhat kind of damage does plaquenil cause to the eye Plaquenil Hydroxychloroquine - Side Effects, Dosage., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Do i need monthly blood test while taking hydroxychloroquine One of the reasons that physicians feel comfortable in prescribing Plaquenil is its low risk to benefit ratio. This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur. The Risk of Retinal Toxicity with Plaquenil. Hydroxychloroquine Side Effects, Dosage, Uses, and More. New Plaquenil Guidelines. Eye damage due to Plaquenil is not common,” he says. “Rarely will anybody who has good vision and minimal symptoms develop loss of central vision or ability to read if annual screening is done and visual are symptoms reported as soon as they occur so the medication can be stopped if toxicity occurs. Dr. Fung’s case involved a 48-year-old woman with lupus. Nine years after discontinuing medical therapy, the patient had new scotomas, difficulty reading and progression of bull’s-eye maculopathy. Plaquenil’s long half-life in the body can cause irreversible and progressive damage, Dr. Fung said. The vast majority of patients on Plaquenil get absolutely no eye problems and you should not be unduly worried or concerned. If you have a good response in your arthritis to the Plaquenil then the benefits of a Plaquenil almost certainly outweigh the small risks to your eyes.