It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine and dry eyes 2016 ophthalmology journal hydroxychloroquine Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Definition NCI 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. 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. Hydroxychloroquine rheumatoid arthritis mechanism Rheumatoid Arthritis Treatment Options Johns Hopkins., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Plaquenil couuponMalaria chloroquine tabletsChloroquine syrup dosage for infantsPlaquenil for reactive arthritis Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Mechanism of action of hydroxychloroquine as an antirheumatic drug. Fox RI1. Author information 1Department of Rheumatology, Scripps Clinic and Research Foundation, La Jolla, CA 92037. The antimalarial agents chloroquine and hydroxychloroquine have been used widely for the treatment of rheumatoid arthritis and systemic lupus erythematosus. Rheumatoid Arthritis and Systemic Lupus Erythematosus. Mechanism of action The mechanisms underlying the anti-inflammatory and immunomodulatory effects of Plaquenil are unknown. Indications and Usage for Plaquenil Malaria. Plaquenil is indicated for the treatment of uncomplicated malaria due to P. falciparum, P. malariae, P. ovale, and P. vivax. Hydroxychloroquine and sulfasalazine are used for mild rheumatoid arthritis. They are not as powerful as other DMARDs, but they usually cause fewer side effects.