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. Buy hydroxychloroquine online uk Plaquenil and heart rate Plaquenil kidney disease 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. In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine 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 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. Can hydroxychloroquine cause a lupus type rash Hydroxychloroquine and skin darkening Hi All. - LUPUS UK, Plaquenil Hydroxychloroquine - Side Effects, Dosage. Chloroquine ukEffects of hydroxychloroquine on taste 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. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Hydroxychloroquine Side Effects Common, Severe, Long Term.. Chronic Conditions What Is Autoimmune Disease Rash.. There are three main antimalarial drugs are prescribed for lupus symptoms. Here are the three most common antimalarial drugs prescribed for lupus Hydroxychloroquine Plaquenil This is the most commonly prescribed antimalarial because it is generally believed to cause fewer side effects than the others. Learn about side effects further down. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. 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.