This card is accepted at all major chain pharmacies, nationwide. Enter your name and email address to receive your free savings card. Folic acid and plaquenil Chloroquine endosomal acidification inhibitor Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may 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. Hydroxychloroquine is used to treat discoid lupus erythematosus DLE or systemic lupus erythematosus SLE or lupus. It is also used to treat acute and chronic rheumatoid arthritis. This medicine is available only with your doctor's prescription. This card is accepted at all major chain pharmacies, nationwide. Site users seeking medical advice about their specific situation should consult with their own physician. Our free Discount Rx savings card can help you and your family save money on your prescriptions. This site does not dispense medical advice or advice of any kind. Hydroxychloroquine who makes Hydroxychloroquine Reviews Everyday Health, Hydroxychloroquine Plaquenil Plaquenil and metformin togetherCommon pill for hair loss with plaquenilPlaquenil for discoid lupusHydroxychloroquine side effects itching Plaquenil hydroxychloroquine is a medication most known for its original purpose of treating or preventing malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. What is Hydroxychloroquine? - GoodRx. Drug spotlight on hydroxychloroquine Lupus Foundation of.. Hydroxychloroquine is a DMARD. The brand name is Plaquenil. What does Plaquenil do? Plaquenil relieves pain and swelling and prevents damage to joints. However, in some people hydroxychloroquine can cause skin rashes, especially those made worse by sunlight. feeling sick nausea or indigestion. diarrhoea. headaches. bleaching of the hair or mild hair loss. tinnitus ringing in the ears. visual problems. Stars. Plaquenil is the brand name for the prescription drug hydroxychloroquine. 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.