It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. How does plaquenil treat rheumatoid arthritis What was hydroxychloroquine originally used for Will plaquenil help osteoarthritis Hydroxychloroquine generally is given to adults in doses of 200 mg or 400 mg per day. In some cases, higher doses can be used. Your doctor may gradually increase or decrease your dosage over time to find the right levels for your specific symptoms and needs while having the least amount of negative side effects. Hydroxychloroquine and chloroquine can inhibit certain cellular functions and molecular pathways involved in immune activation, listed below, partly by accumulating in lysosomes and autophagosomes. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. 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 enhance or inhibit immune Effects of chloroquine on viral infections an old drug., Mechanisms of action of hydroxychloroquine and chloroquine. Chloroquine and beclin According to the American College of Rheumatology, hydroxychloroquine Plaquenil, is a “disease-modifying anti-rheumatic drug DMARD,” meaning that it helps reduce the pain and swelling that come with arthritis. It can also reduce the incidence of joint damage, thus lessening the risk of developing a long-term disability from complications of RA. RA and Hydroxychloroquine How Effective is it for Rheumatoid Arthritis.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine - Wikipedia. Feb 19, 2020 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. Any one have any experience or info regarding pre-existing precancerous conditions and the effects of Plaquenil on the immune system. I see so much info on the net where some says that Plaquenil has very mild effect on immune system except for eye issues --- Other info says it is an immunosuppressant. It doesn't matter if he goes back on Plaquenil or hydroxychoroquine. Both should suppress his immune system and make him more vulnerable to infection. There are other drugs similar to Plaquenil Prednisone, Methodextrate, etc but he will face the same risks with all of them. All work by suppressing the immune system.