Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Chloroquine proguanil combination Hydroxychloroquine pulmonary toxicity Magnesium and plaquenil Description and Brand Names. Drug information provided by IBM Micromedex US Brand Name. Plaquenil; Descriptions. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Plaquenil Plaquenil - an immunosuppressant used to treat malaria. Pharmacological action Plaquenil reduces inflammation, inhibits malaria parasites, has a strong immunosuppressive effect inhibits the activity of the immune system. The active substance of the drug - hydroxychloroquine. Product form Pills. Steroid-sparing drugs usually have a two-fold benefit, since they often reduce or eliminate the need for steroids while also improving lupus symptoms. Because immunosuppressive drugs put down the immune system, people taking them are at an increased risk for infection. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Is plaquenil an immunosuppressant drug List of Other immunosuppressants -, Plaquenil - instructions, reviews, analogues Doea plaquenil affect the immune system Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. Treating Lupus with Immunosuppressive Medications Johns.. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. I looked back through my lab work. Even while taking 400mg of Plaquenil and 15mg of Prednisone also an immunosuppressant, my immune system was still overactive. My Absolute Neutrophils good indicator of immune system function didn't get suppressed to a NORMAL range until I increased the Plaquenil to 600mg/day while still taking the Prednisone. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. I’m often asked if hydroxychloroquine is an immunosuppressant or best classified as an immunomodulatory drug. Hydroxychloroquine Plaquenil Is an Immunosuppressant. In my opinion, Plaquenil is best considered an immunosuppressant. It’s true that it’s different than other immunosuppressants like methotrexate or cyclosporine.