Use this health guide to feel healthier and more comfortable with IBD. Plaquenil is the brand name for the prescription drug hydroxychloroquine. Plaquenil exam Plaquenil tablets side effects Hydroxychloroquine in lupus nephritis Plaquenil off label uses Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia and abnormal red blood cells. Over the long term hydroxychloroquine can reduce pain, swelling and joint stiffness. If you have lupus, it may also improve the rash. It may be as long as 12 weeks before you notice the benefits. Hydroxychloroquine is often taken in combination with other drugs such as methotrexate. Are there any reasons I won't be prescribed hydroxychloroquine? Hi, I started taking Plaquenil on June 24th and for the last four or 5 days have had horrible itching. No rash just all over itching. My Rhuemy told me to stop taking it until all itching symptoms were gone, then wait another week and start up again with 1 pill 200mg a day instead of 2. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Rash as a side effect of plaquenil Plaquenil – RheumInfo, Hydroxychloroquine Side-effects, uses, time to work Can plaquenil affect thyroid 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.. Itching From Plaquenil DailyStrength. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. I had been taking plaquenil since April for my lupus and sjogrens. It was working really well and just recently my rheumy told that I was in remission. I felt great. Then I had an allergic reaction to the plaquenil - a rash all over my body, neck, arms and legs. I stopped taking it 1 week ago. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. 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 If common side effects do occur, they are usually minor and last only for a short period of time. Please note the rare side effects listed below, specifically retinopathy, which causes damage to the eyes. Side effects associated with Plaquenil are placed in three categories common, less common, and rare.