I was dx with Lupus in May, after being "treated" for idiopathic thrombocytopenia purpura for three and a half years. I was fortunate to have to switch hemotologists in April because my new Hemo did some additional tests which suggested Lupus. What blood tests are required while on plaquenil What is hydroxychloroquin Aralen drug interactions Plaquenil medication class A complete blood count CBC is the most commonly performed lab test in the U. S. and is used to analyze red blood cells RBCs, white blood cells WBCs, and platelets. Many people with systemic lupus have abnormal CBCs. White blood cell counts can be low leukopenia due to lupus, immunosuppressive therapy, or the presence of a virus. White blood cell count decreased is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 month, also take medication Enbrel, and have High blood pressure Most often cardiologists cannot determine what the cause of an arrythmia is. There are many and bradycardia is quite common. However, I am sure you are finding out that it is extremely difficult to live and go about your daily life with your heart rate in the 30's and 40's. In any case, you could say that I was in denial for the first six months of my diagnosis. He referred me to a Rhuemy who ran some addition tests and asked me some questions to basically confirm the dx. Does plaquenil cause low wbc Long-Term Side Effects of Plaquenil for Rheumatoid., Will you have White blood cell count decreased with Plaquenil. Plaquenil for cutaneous lupus Yes, Plaquenil can cause aplastic anemia, agranulocytosis, leukopenia, anemia, thrombocytopenia. So yes, this could be the cause of your WBC count going down, and for anemia that you have. Apart from that it can also be due to anti-thyroid cancer drugs. Low WBC and Lupus - Lupus - MedHelp. Sinus Bradycardia and Lupus -. Plaquenil and White blood cell count increased - eHealthMe. 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. Summary. 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. Sometimes changes in blood counts may contribute to symptoms of fatigue low red blood cell count, anemia, serious infections low white blood cell count, or easy bruising low platelet count. However, many patients do not have symptoms that indicate blood abnormalities, so it is important for lupus patients to have periodic blood tests in order to detect any problems.