It regulates the activity of the immune system, which may be overactive in some conditions. Hydroxychloroquine can modify the underlying disease process, rather than simply treating the symptoms. Plaquenil induced rash Hydroxychloroquine sulfate high Plaquenil hair loss treatment Hydroxychloroquine and metformin 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. If a stomachache does occur, it is usually temporary. However, if you experience stomach upset while taking generic hydroxychloroquine, ask your doctor about trying name-brand Plaquenil instead. While these medications contain the same active ingredient, the preparation of generic hydroxychloroquine can sometimes cause stomach irritation. This is a reivew of how effective Plaquenil hydroxychloroquine sulfate is for Osteoarthritis and for what kind of people. The study is created by eHealthMe from 10 Plaquenil users and is updated continuously. On eHealthMe, you can evaluate side effects and drug interactions from 16 million FDA reports. Hydroxychloroquine is often taken in combination with other drugs such as methotrexate. Over the long term hydroxychloroquine can reduce pain, swelling and joint stiffness. It may be as long as 12 weeks before you notice the benefits. How does plaquenil work for arthritis Inflammatory Osteoarthritis And Plaquenil, Treating Lupus with Anti-Malarial Drugs Johns Hopkins. How long does it take plaquenil to workIs there an interaction between tindamax and plaquenilHow common is hair loss with plaquenilPlaquenil anxiety depression Last week my doc added plaquenil to the mix. I have a pharmacist friend that says it can take up to a year to work, but once its kicks in it can be really good. I suggest you ask your rhuemie for additional help in the meantime. I have had RA going on 12 years, and originally way back when I ws given plaquenil alone and it did nothing. How long did Plaquenil/Hydroxychloroquine take.. How effective is Plaquenil for Osteoarthritis by duration.. Hydroxychloroquine User Reviews for Rheumatoid Arthritis.. 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. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Hydroxychloroquine can also decrease the frequency of RA flares. 3. Hydroxychloroquine is also available in generic forms. What are the ingredients in hydroxychloroquine? The active ingredient in hydroxychloroquine is hydroxychloroquine sulfate. 4. How does hydroxychloroquine work? Hydroxychloroquine is an antimalarial drug. 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.