It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Treatment of severe chloroquine poisoning Malaria chloroquine proguanil Aralen for malaria Hydroxychloroquine is an antimalarial drug used to prevent and treat malaria. Hydroxychloroquine Plaquenil is also a disease-modifying anti-rheumatic drug DMARD used to treat both acute and chronic rheumatoid arthritis, systemic lupus erythematosus, and discoid lupus erythematosus. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Mar 17, 2019 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. 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. What is hydroxychloroquine Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects., Hydroxychloroquine - Wikipedia Hydroxychloroquine for lupus nephritisDoes hydroxychloroquine help with psoriatic arthritisMalaria hypnozoites resistant to chloroquineDoes plaquenil help psoriatic arthritis INTRODUCTION Hydroxychloroquine HCQ is an alkalinizing lysosomatropic drug that accumulates in lysosomes where it inhibits some important functions by increasing the pH. HCQ has proved to be effective in a number of autoimmune diseases including systemic lupus erythematosus SLE. Hydroxychloroquine in systemic lupus erythematosus SLE.. Hydroxychloroquine Uses, Dosage & Side Effects -. What is hydroxychloroquine? The malaria drug being trialled.. Hydroxychloroquine is a 4-aminoquinoline with immunosuppressive, antiautophagy, and antimalarial activities. Although the precise mechanism of action is unknown, hydroxychloroquine may suppress immune function by interfering with the processing and presentation of antigens and the production of cytokines. HYDROXYCHLOROQUINE is used to treat rheumatoid arthritis and systemic lupus is also used to treat malaria. The lowest GoodRx price for the most common version of generic Plaquenil is around $20.41, 88% off the average retail price of $177.73. During a press conference earlier today, March 19 th, the Trump administration announced that chloroquine and hydroxychloroquine, among other drugs, are being approved by the Food and Drug.