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Leukopenia and leukocytosis: a review of function, causes and treatment

Leukopenia and leukocytosis are two terms related to the number of white blood cells, which play a key role in defending the body against infections and other threats. In this article, we will discuss the basic functions of white blood cells, the differences between them, the causes of leukocytosis and leukopenia, and methods of treating these disorders. We invite you to read!

What is the primary function of white blood cells?

White blood cells, also called leukocytes, are an important element of the body’s immune system. Their main task is to defend against microorganisms such as bacteria, viruses, fungi and other foreign substances. White blood cells eliminate these threats through phagocytosis, the absorption and destruction of foreign particles, and by producing antibodies that help fight infection.

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Are all white blood cells the same?

No, white blood cells can be divided into several different types, each of which plays a specific role in the body’s defense. The most important types of white blood cells are:

  • Neutrophils – mainly responsible for fighting bacteria.
  • Lymphocytes – participate in the production of antibodies and regulation of the immune response.
  • Monocytes – transform into macrophages that phagocytize microorganisms and dead cells.
  • Eosinophils – fight parasites and participate in allergic reactions.
  • Basophils – secrete substances involved in inflammatory processes.

What conditions lead to leukocytosis?

Leukocytosis is a condition in which the number of white blood cells in the body is higher than normal. It can be the result of various factors, such as infections, inflammation, injuries, stress or even exercise. In response to these signals, the body increases the production of white blood cells to fight the threat.

What are the causes of leukopenia, i.e. reduced white blood cell count?

Leukopenia is the opposite condition in which the white blood cell count is lower than normal. It can be caused by various factors, such as:

  • Diseases of the hematopoietic system, e.g. leukemia.
  • Autoimmune diseases in which the body attacks its own white blood cells.
  • Certain medications that inhibit the production of white blood cells.
  • Malnutrition and vitamin deficiencies.
  • Viral infections that destroy white blood cells.

How to treat leukopenia and leukocytosis?

Treatment of leukopenia and leukocytosis depends on the cause and severity of these disorders. If you have leukocytosis, you may need to treat the infection or disease that caused it. In the case of leukopenia, your doctor may recommend vitamin supplementation, a change in medications, or therapy directed at the cause of the white blood cell deficiency.

Your suggestions

If you have any questions or suggestions regarding leukopenia and leukocytosis, please contact your doctor or hematology specialist. Remember that only professional assessment and diagnosis can provide appropriate treatment and health care.

Recommended articles

If you want to learn more about the hematopoietic system, blood disorders or a healthy lifestyle that supports the body’s immunity, we recommend reading our other articles in the field of hematology and immunology.

We encourage you to regularly check your blood condition and maintain a healthy lifestyle to maintain a balanced level of white blood cells and ensure optimal protection against infections and other diseases.

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