Plaquenil is 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. Does hydroxychloroquine cause lymphoma Chloroquine and primaquine Plaquenil and erosive osteoarthritis Plaquenil is a slow-acting drug, meaning that it can take up to 6 months to experience the full benefits of this medication, but it is possible for symptoms to improve in as few as 1 or 2 months. Plaquenil and other antimalarials are the key to controlling lupus long-term, and some lupus patients may be on Plaquenil for the rest of their lives. If we don’t get the antibiotics, inhalers, increased steroids and more on board, things usually progress to pneumonia within a few days. Sometimes even with the extra medications, rest, fluids and all the matzo ball soup I can get in it still means a trip to the “white coat hotel” a.k.a. hospital for treatment. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Does plaquenil increase the likelihood of getting a cold The Risk of Retinal Toxicity with Plaquenil, Getting a Cold, Flu When You Have Lupus and Take. - The Mighty Plaquenil for pericarditis BRAND NAMES Plaquenil. Medication Uses How To Use Side Effects Precautions Drug Interactions Overdose Notes Missed Dose Storage. USES Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Does Being Cold Make You More Susceptible to Getting a.. As an immuno-suppressant, does it actually increase the risk of other diseases? Answer Plaquenil, or hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, sys- temic lupus erythematosus SLE and other inflammatory and autoimmune diseases. Plaquenil itself probably does not have a direct affect on your immune system - it is a DMARD and is not considered to be an immunosuppressant. However, many with active autoimmune diseases feel that they are not succeptible to many of the common viruses that they are exposed to - somewhat of a silver lining. Hello all, I am currently new to this site and ran across the discussion about stopping Plaquenil. I have been taking Plaquenil for about 8-9 months and thought that it was not helping me because I still have a fair amount of joint pain, fatigue, muscle pain and so many other issues.