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. High risk medication use plaquenil Plaquenil and radiation Plaquenil is associated with potential side effects, one of which is particularly worrisome to people who have been prescribed the drug. Safe use helps to minimize undesirable side effects. Although Plaquenil is an older drug, it is still available and prescribed to some people who have rheumatoid arthritis or certain other rheumatic diseases. 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. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Consumer information about the medication HYDROXYCHLOROQUINE - ORAL Plaquenil, includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug HYDROXYCHLOROQUINE - ORAL. 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. What are some of the side effects of plaquenil Plaquenil Oral Uses, Side Effects, Interactions, Pictures., Plaquenil Side Effects Common, Severe, Long Term - Chemical structure of chloroquinePlaquenil dosage sjogren's syndromeChloroquine resistance definitionWhat to expect when taking plaquenil 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. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical.. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. My question Do you feel like you've gained weight on Plaquenil ie without Prednisone? The Plaquenil drug side effects list weight loss, but some people have reported weight gain instead. What's happened with you? My rheumy wants me to come down and then off my Plaquenil, but I've been resisting simply because I'm afraid to. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. What are the possible side effects of antimalarial drugs? Plaquenil is most often well-tolerated but, like with any drug, side effects are possible. Most people about 90% who take antimalarial medications experience no side effects. If common side effects do occur, they are usually minor and last only for a short period of time.