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- White blood cells are crucial for our immune system and protect us against diseases and infections.
- They are found in the blood and play a vital role in defending against foreign substances and microorganisms.
- Low levels can make one more susceptible to infections and feel tired, while elevated levels can cause symptoms such as fever and weakness.
- Treatments can be prescribed to adjust the levels, and regular blood tests can help monitor the health status and immune response.
What are white blood cells?
White blood cells, also known as leukocytes, are a central part of the body's immune system and play a crucial role in defending the body against infections and diseases. These cells are found in the blood and tissue fluid and are part of the body's defense against foreign substances and microorganisms such as bacteria, viruses, and other pathogens.
What do white blood cells in the urine indicate?
Normally, there shouldn't be significant amounts of white blood cells in the urine. When white blood cells are detected in a urine sample, it may indicate an infection in the urinary tract or, in the worst case, kidney problems.
What can elevated levels of white blood cells indicate?
Elevated levels of white blood cells in the blood, also called leukocytosis, can be a sign of an underlying infection or inflammation in the body. It can also be a sign of other conditions, such as certain forms of cancer.
What can cause low leukocytes?
Low leukocytes can be caused by reduced bone marrow production, a viral infection, various autoimmune diseases, nutritional deficiencies such as B12 or folate deficiency. It can also be due to the use of certain medications, such as cytostatics and immunosuppressants. Chronic diseases and serious infections can also affect leukocyte values. In the case of low levels, further investigation is often necessary to identify the cause.
What are the symptoms of low and elevated levels of white blood cells?
When white blood cell levels are too low, a condition called leukopenia, it can result in increased susceptibility to infections and a general feeling of fatigue and weakness. Conversely, elevated levels of white blood cells can cause symptoms such as fever, sweats, weakness, and loss of appetite, depending on the cause of the elevation.
What happens to white blood cells in cancer?
Elevated levels of white blood cells can sometimes be a sign of certain types of cancer, especially leukemia and lymphoma. In these cases, the bone marrow produces abnormal amounts of white blood cells that do not function properly. Therefore, it is important to carefully evaluate elevated levels of white blood cells to rule out or confirm the presence of cancer.
What do white blood cells do and how do they defend us?
White blood cells have several important functions in the body. They fight infections by phagocytizing (eating up) foreign microorganisms, producing antibodies to combat bacteria and viruses, and by activating other parts of the immune system to strengthen the body's defenses. Their ability to recognize and fight foreign substances is crucial for maintaining health and well-being.
How are low white blood cell levels managed?
Increasing white blood cell levels depends entirely on the underlying cause. If the deficiency is due to an infection, levels usually recover on their own as the body heals. In cases of nutritional deficiencies, such as B12 or folate deficiency, supplements can help the bone marrow produce new cells. If low levels are a side effect of medication (e.g., chemotherapy), doctors may sometimes prescribe growth factors to stimulate the bone marrow.
In severe cases, such as certain types of blood cancer (leukemia), a bone marrow or stem cell transplant may be necessary to replace the diseased marrow with healthy tissue.
What happens if levels are too low?
If the white blood cell count is too low (leukopenia), the body's defenses are significantly weakened. This means not only that you become more susceptible to illness, but also that common infections that are normally harmless can spread rapidly and become life-threatening.
How to test your white blood cell levels
Testing your white blood cell levels is an important part of monitoring your health and immune function. Through a simple blood test, the number of white blood cells in your blood is analyzed, and you will find out if they are within normal reference ranges and whether you have low or elevated white blood cells. Learn more here blood test of white blood cells.
Analysis of white blood cells can help identify any infections, inflammations, or other health issues that may affect your immune system.
