What is normal WBC count?

What is the blood count WBC? Low and high values

Meaning of the WBC value

Behind the designation, WBC hides the white blood cells called leukocytes. Thus, the abbreviated form stands for “White Blood cells“.

With the help of the blood value, the doctors determine the concentration of the total amount of white blood cells in the course of a blood test. In some cases, the WBC blood value presents itself as too low. The patients suffering from leukopenia.

What is normal WBC count?

The blood value WBC in the summary

The WBC value includes the different types of white blood cells. According to this, the doctor uses the blood value to determine the number of lymphocytes, granulocytes, and monocytes contained in the blood. If the WBC value is too low, the doctor diagnoses leukopenia in the patient being examined. Mainly after a viral infection, the number of white blood cells decreases.

When is the WBC value too low?

The concentration of leukocytes in the blood is important for the smooth functioning of the body’s immune system. When there are too few white blood cells in the bloodstream, doctors refer to the condition as leukopenia. In this case, the amount of the three types of leukocytes, which present themselves in the following form, decreases:

  • Monocytes,
  • Granulocytes,

With the help of a differential blood count, the doctor has the opportunity to check the respective reduction in cells. In the case of lycopene, there is predominantly a reduction in the number of granulocytes known as scavenger cells. As a rule, the WBC value is too low if those affected are suffering from a viral infection.

During the disease, there is an overproduction of white blood cells. As the intensity increases, the organism is unable to maintain the formation of leukocytes. Therefore, over time, the production of white blood cells becomes limited. This is how short-term leukopenia occurs. Once patients recover from the viral infection, white blood cell production returns to normal.

What is normal WBC count?

Why does the number of white blood cells decrease?

If those affected suffer from leukopenia, there is a risk of a weakened immune system. Even with a leukocyte count of less than 3,000 in a microliter of blood, doctors speak of an incipient undersupply of white blood cells. Leukopenia can be exacerbated by drugs that are mainly used to treat cancer.

For example, the website pharma-zeitung.de published the results of a study on the drug Vidaza® published in 2019. This is used in the treatment of leukemia but led to reduced production of white blood cells in 48 percent of the study participants.

Furthermore, a low leukocyte count results from a disease of the bone marrow, which is responsible for the formation of the relevant cells. If doctors notice a reduced concentration of white blood cells in a patient’s blood test, they consider the spleen to be overactive. This leads to higher consumption of leukocytes so that their number decreases over time.

The same happens when there are numerous pathogens in the bloodstream. Due to the increased penetration of viruses, bacteria, fungi, or worms, the body needs more leukocytes to eliminate the foreign bodies. After the overproduction, the reduced production of white blood cells follows because the organism lacks power reserves. For this reason, there is a risk of a subsequent infection shortly after an illness.

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