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Conditions that affect the bone marrow are the usual causes of low white blood cell count. Some of these conditions are present at birth, also known as congenital. Causes of a low white blood cell count include: Aplastic anemia. Chemotherapy. Radiation therapy. Epstein-Barr virus infection.
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 .
Neutropenia: Symptom — Overview covers definition, possible causes of a lack of certain white blood cells.
Underlying causes for a low white blood cell count can range from benign disorders, such as vitamin deficiencies, to more serious blood diseases, such as leukemia or lymphoma. A truly low white blood cell count also puts you at higher risk for infections — typically bacterial infections.
A low white blood cell count plus results from other tests might show the cause of your illness. Or you might need other tests for more information about your condition. A very low white blood cell count over time means you can get infections easily.
One of the most common causes of a low white blood cell count is a viral infection. These infections can sometimes temporarily disrupt the bone marrow’s production of blood cells, so blood cell counts drop. The counts typically rebound as the body recovers from the infection.
By Mayo Clinic Staff. A high white blood cell count usually means one of the following has increased the making of white blood cells: An infection. Reaction to a medicine. A bone marrow disease. An immune system issue. Sudden stress such as hard exercise. Smoking.
A low hemoglobin count can be associated with a disease or condition that causes your body to have too few red blood cells. This can occur if: Your body produces fewer red blood cells than usual. Your body destroys red blood cells faster than they can be produced. You have blood loss.
One blood cell type — white blood cells, red blood cells or platelets — is low in number and appears abnormal under the microscope. Myelodysplastic syndromes with multilineage dysplasia. In this subtype, two or three blood cell types are abnormal.
Your body produces white blood cells (leukocytes), which help fight bacterial infections, viruses and fungi. If your child has too few or too many white blood cells, in general, here's what it means: Low white blood cell count (leukopenia) means having too few leukocytes circulating in the blood.