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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. Specific causes of a high white blood cell count include:
A high white blood cell count is an increase in cells in the blood that fight infections. What's considered high in a white blood cell count varies from one lab to another. This is because laboratories set their own reference ranges based on the populations they serve.
A white blood cell count that's higher than usual most commonly is due to an infection or inflammation. Or it could point to an immune system disorder or a bone marrow disease. A high white blood cell count also can be a reaction to medicines or hard exercise.
A high lymphocyte count can point to: Infection, including bacterial, viral or other type of infection. Cancer of the blood or lymphatic system. An autoimmune disease causing ongoing, called chronic, swelling and irritation, called inflammation. Causes of lymphocytosis include: Acute lymphocytic leukemia; Babesiosis; Brucellosis; Cat-scratch ...
Acute lymphocytic leukemia is the most common type of cancer in children, and treatments result in a good chance for a cure. Acute lymphocytic leukemia can also occur in adults, though the chance of a cure is greatly reduced.
A high white blood cell count is rarely found by chance. Talk to your care provider about what your results mean. A high 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 condition that causes excess lymphocytes. Monoclonal B-cell lymphocytosis (MBL) causes an increased number of one type of lymphocyte (B cells) in the blood. For a small number of people with MBL, the condition may develop into chronic lymphocytic leukemia.
A high platelet level may be detected in a routine blood test known as a complete blood count. It's important to determine whether it's reactive thrombocytosis or essential thrombocythemia to choose the best treatment options.
High white blood cell count (leukocytosis) means having too many leukocytes circulating in the blood, usually from having an infection. A number of different diseases and conditions may cause a long-term high white blood cell count.
Leukemia is cancer of the body's blood-forming tissues, including the bone marrow and the lymphatic system. Many types of leukemia exist. Some forms of leukemia are more common in children. Other forms of leukemia occur mostly in adults. Leukemia usually involves the white blood cells.