White blood cells (also called leukocytes) are part of the immune system, and they are the cells that protect your body against infections by bacteria, viruses, fungi, and parasites. The microorganisms that cause diseases are literally everywhere, but most people do not get sick because they have ample numbers of white blood cells providing protection. Low white blood cell count is also known as leukopenia. Low white blood cell count often means there is a problem in the body, so it is not considered normal. Each has their own specialized purposes and different life spans. Chloroquine crystal structure Chloroquine resistant malaria drug Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Dugan on plaquenil and low wbc This drug can effect the bone marrow and make the white blood count and platelets low. Your doctor may want to stop this medication, but don't stop it till you talk to the doctor. An unusually high white blood cell count can indicate an infection, hypersplenism, bone marrow depression drugs, radiation or heavy metal poisoning or primary bone marrow disorders such as leukemia. A low white blood cell count can be the result of infection, make an individual more susceptible to outside infections or allow multiplication of. White blood cells are manufactured in bone marrow — the spongy tissue inside some of your larger bones. A low white blood cell count usually is caused by Viral infections that temporarily disrupt the work of bone marrow. Certain disorders present at birth congenital that involve diminished bone marrow function. Our body produces millions of different white blood cells continuously that replace worn out or dead ones. There are monocytes (morphs into other white blood cells), lymphocytes (releases antibodies, regulates immunity, and kills infected human cells), basophils (initiates inflammatory reactions), eosinophils (kills parasites and triggers allergic reactions), and neutrophils (main killers of bacteria and fungi). Can hydroxychloroquine cause low white blood cell count Long-Term Side Effects of Plaquenil for Rheumatoid., Low White Blood Cell Count - Symptoms and Diagnosis Allergic reaction when changed from hydroxychloroquine to plaquenilSerious toxicity of hydroxychloroquinHydroxychloroquine autophagy pancres Summary 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. Will you have White blood cell count decreased with Plaquenil.. Low white blood cell count -. What are the Different Causes of a Low White Blood Cell Count?. Low white blood cell count and cancer. White blood cells WBCs fight infections from bacteria, viruses, fungi, and other pathogens organisms that cause infection. One important type of WBC is the neutrophil. These cells are made in the bone marrow and travel in the blood throughout the body. Individuals may suffer from aplastic anemia, a condition where the body is unable to produce new blood cells. Vitamin or mineral deficiencies, influenza, typhoid fever, and malaria can also result in a low white blood cell count. ANSWER A low white blood cell count almost always is related to a decrease in a type of infection-fighting white blood cell called neutrophils. When you have a low level of neutrophils, the condition is known as neutropenia. There are many causes of neutropenia, and some medications can lead to this problem.