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. Chloroquine for arthritis What is plaquenil hydroxychloroquine What is hydroxychloroquine sulfate used to treat Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. I believe this has been mentioned a while back, but thought I'd ask again who has gotten small brown spots on their skin after sun exposure? I've been on Plaquenil about 2 months, and it has helped my knee/back pain, which is wonderful! I also had read that th If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. 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. Plaquenil and dark spots Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Plaquenil and skin discoloration - Sjogren's World Can you combine doxycycline hyclate with plaquenilPlaquenil causes skin rashMylan hydroxychloroquine effets secondairesPlaquenil et allergie soleilReactions to plaquenil I have had the same on my forearms but one spot disappeared after a year. I'm not sure how or why it did but I was glad, it just looked like a dark circle on my arm. I am not if my heritage has anything to do with it Native American, but the Plaquenil does make me extremely photosensitive. Of course it lightens some in the Winter months. Plaquenil & skin discoloration -. Plaquenil Side Effects on Your Eyes and Vision. Hydroxychloroquine Plaquenil. Call your doctor right away if you lose part of your eyesight, if you see dark spots, or if you see only part of an object. Have an eye exam as you have been told by your doctor. Have your blood work checked if you are on Plaquenil hydroxychloroquine for a long time. Talk with your doctor. Be careful if you have G6PD deficiency. Hi, Marydee. I've been on Plaquenil since last August. In the past I never had dark circles under my eyes, but I did have a few of those light brown 'sun spots' on my cheeks. They've multiplied and become much bigger and darker, and now I have dark circles under my eyes, too. What causes drug-induced skin pigmentation? Several mechanisms may be involved in the drug-induced changes of pigmentation of the skin. Certain heavy metals, such as iron, silver, and gold, may be deposited in the dermis following damage to dermal vessels. If deposited in sufficient quantities a distinctive change in skin colour may be seen without any significant increase in melanin.