White blood cells are parts of the body that play a role in fighting disease. However, excess white blood cells does not make the body more immune to disease. Conversely, this condition indicates an imbalance and interference that can be dangerous.
Basically there are three types of blood cells: red blood cells that carry oxygen, platelets (platelets) that make blood clot, and white blood cells (leukocytes) that help the body fight infection. There are 5 main types of white blood cells namely: basophils, eosinophils , neutrophils, lymphocytes, and monocytes. Each type of white blood cell has a role in the immune system. Leukocytosis is a situation when a person produces more white blood cells than normal levels. Generally, adults who have more than 11,000 white blood cells or leukocytes in each microliter of blood are categorized high.
Blood tests are performed to determine the level of white blood cells. Usually, excess white blood cells are found when the doctor wants to diagnose and find the cause of certain symptoms that the patient complains of, such as fever. The results of this examination and the results of other further tests then determine the cause of the symptoms that you are experiencing.
This increased production of white blood cells can be caused by various things, ranging from mild to severe, namely:
- The body has a bacterial or viral infection. However, the HIV virus that attacks the immune system will actually reduce the number of certain leukocytes, more precisely the CD4 cells.
- Take medications such as certain corticosteroids. But the use of corticosteroids in the long term can actually reduce levels of white blood cells.
- Certain types of cancer such as leukemia.
- Inflammation such as rheumatoid arthritis.
- Allergic or stress reaction.
- Some respiratory diseases such as tuberculosis or whooping cough.
- Polycythemia vera is a rare condition in which the body produces excess blood cells.
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