why are my wbc always low?
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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. Cancer or other diseases that damage bone marrow.
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When you have a low blood count, this means your bone marrow is not making enough of one type of blood cells. Doctors call a low blood count cytopenia . You can have one or more low blood counts.
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You can have a higher than normal lymphocyte count but have few, if any, symptoms. It usually occurs after an illness and is harmless and temporary. But it might represent something more serious, such as a blood cancer or a chronic infection.
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A person with cancer can develop a low WBC count from the cancer or from treatment for the cancer. Cancer may be in the bone marrow, causing fewer neutrophils to be made. The WBC count can also go down when cancer is treated with chemotherapy drugs, which slow bone marrow production of healthy WBCs.
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White blood cell count (WBC) This test measures the number of white blood cells in a drop (microliter) of blood. A low WBC count may be due to chemotherapy, a viral infection, a toxic reaction, or a process in the bone marrow that limits the body's ability to make normal WBCs.
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Immune system disorders – some auto-immune disorders like Crohn's or Graves' disease can elevate your white blood cell levels. If you have one of these conditions, your doctor should monitor your white blood cell levels. Stress – finally, emotional or physical stress can also cause elevated white blood cell counts.
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The most common cause of low MCHC is anemia. Hypochromic microcytic anemia commonly results in low MCHC. This condition means your red blood cells are smaller than usual and have a decreased level of hemoglobin.
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The most serious complications of low blood cell counts include: Infection. With a low white blood cell count and, in particular, a low level of neutrophils (neutropenia), a type of white blood cell that fights infection, you're at higher risk of developing an infection.
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This can be due to a deficiency of folate or vitamin B-12. Additionally, you may have microcytic anemia, which is deficiency of normal red blood cells, and your red blood cells will be smaller than normal.
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White Blood Cell (WBC) Count. WBCs, or leukocytes, help prevent and fight infections. A normal count ranges from 4,000–11,000/mm3 in a healthy adult. A high count may mean that your body is fighting an infection.
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White blood cells are produced by your bone marrow to help your body fight infection. If you have fewer than normal white blood cells, you have a higher risk of getting an infection. When you have a low white blood cell count, your immune system isn't working as well as it should.
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When you have a low blood count, this means your bone marrow is not making enough of one type of blood cells. Doctors call a low blood count cytopenia .
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Pancytopenia (Low Blood Cells) Pancytopenia is marked by low counts of all three types of blood cells—red cells, white cells and platelets. This condition can be caused by certain medications and by infections. In some cases, it is caused by a cancer or precancerous condition.
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A low T cell count is more common than a high T cell count. Low T cell counts usually indicate problems with your immune system or lymph nodes. Low T cell counts may be due to: viral infections, such as influenza.
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A white blood cell (WBC) count measures the number of white blood cells in your blood, and a WBC differential determines the percentage of each type of white blood cell present in your blood. A differential can also detect immature white blood cells and abnormalities, both of which are signs of potential issues.
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If the number of RBCs is lower than normal, it may be caused by: anemia. bone marrow failure. erythropoietin deficiency, which is the primary cause of anemia in patients with chronic kidney disease.
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A low white blood cell count usually means your body isn't making enough white blood cells. It can increase your risk of all sorts of infections.