Symptoms of leukopenia

Written by Zhang Xiao Le

Hematology

Updated on November 16, 2024

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The symptoms of leukopenia vary with the severity of the decrease in white blood cells and the disease causing the leukopenia. Mild leukopenia generally has no significant clinical manifestations. With moderate leukopenia, patients often experience symptoms of fatigue. If there is a significant decrease in white blood cells, patients often present with fever since white blood cells are the main cells in the body's defense against infections. A significant decrease in white blood cells markedly lowers the patient's resistance, thus making them more susceptible to various infections, with fever being the most common symptom of infection. Furthermore, the clinical presentations also vary with the underlying disease causing the decrease in white blood cells. For example, diseases like aplastic anemia or acute leukemia, which cause a decrease in white blood cells, may lead not only to fever but also to significant fatigue and bleeding manifestations.

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Written by Tang Zhuo

Endocrinology

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What are the causes of leukopenia?

When the white blood cell count in peripheral blood is below 4.0 times 10 to the ninth power per liter, it is termed leukopenia. According to the cause, it can be divided into the following three aspects: First, disturbance in the production of white blood cells, including reduced proliferation of stem cells or regeneration disorders. Second, excessive destruction of white blood cells, such as from infections or immunological factors, leading to increased destruction of white blood cells. Third, abnormal distribution of white blood cells, due to various reasons, causes an increase in white blood cells in the marginal pool and a decrease in the circulating pool, which can also lead to leukopenia.

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Written by Zhang Jun Jun

Endocrinology

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Is leukopenia very harmful?

Leukopenia primarily depends on the extent of the decrease in white blood cells, which can be classified into mild, moderate, and severe levels. Mild leukopenia generally means less than 4.0 X 10⁹/L, and if granulocytes are decreased, it typically means an absolute value of granulocytes less than 2.0 X 10⁹/L. A lack of granulocytes indicates a more severe condition, usually less than 0.5 X 10⁹/L. For patients with mild leukopenia, special preventive measures are generally not necessary. However, for moderate and severe leukopenia, the greatest risk is an increased chance of infection, as white blood cells are a marker of our ability to defend against external threats. With fewer of these defensive guards, the probability of resisting infections and the chance of acquiring infections significantly increase. Therefore, for patients with moderate leukopenia, their rate of infection increases, and it is important to take precautions, reduce visits to public places, maintain hygiene, and eliminate chronic infectious foci. For patients with severe leukopenia, aseptic isolation measures should be adopted. For patients who have infections, it is crucial to find sensitive antibiotics, preferably broad-spectrum antibiotics. If there is a concurrent fungal or viral infection, antifungal or antiviral medications should also be used, as the decrease in white blood cells can destroy a person's immune capacity, lowering immunity and increasing the chance of infections and the invasion of pathogenic bacteria, which in severe cases could even lead to sepsis or septic shock.

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Written by Zhang Jun Jun

Endocrinology

53sec

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What are the symptoms of leukopenia?

The most common cause of leukopenia is viral infections, along with some severe bacterial infections. Common symptoms of viral and bacterial infections include dizziness, headache, nausea, vomiting, chills, fever, cough, expectoration, abdominal pain, diarrhea, urgent urination, and frequent urination. Generally, further examinations can be conducted through blood draws and routine tests of blood, urine, and stool cultures. If there is an accompanying hematological disease, such as thrombocytopenia, symptoms can include general weakness, body aches, and bone pain; further bone marrow examinations should be conducted.

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Endocrinology

2min 27sec

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What to eat to quickly recover from leukopenia?

There are mainly three reasons for leukopenia: the first is the impaired production of white blood cells, the second is the excessive destruction of white blood cells, and the third is the redistribution of white blood cells. Therefore, for leukopenia, the main approach is etiological treatment. If leukopenia is suspected to be caused by certain drugs or other pathogenic factors, generally, stopping the use of these drugs and avoiding contact can lead to the recovery of white blood cells to normal levels. For this kind of secondary decrease of white blood cells, we usually treat the primary disease. Once the symptoms of the primary disease are alleviated and controlled, the white blood cell count can return to normal without the need for additional medication. Moreover, the greatest risk of leukopenia is the fear of infection, but mildly reduced patients generally do not require special treatment. However, as the severity of leukopenia increases, the risk of infection increases, and at this point, some preventative measures against infection can be taken. Particularly for patients with neutropenia who are highly susceptible to severe infections, sterile isolation may be employed, and the specific sites and types of infections identified. This allows for the use of sensitive antibiotics; for viral infections, antiviral drugs can be administered. Additionally, broad-spectrum antibiotics capable of covering both Gram-negative and Gram-positive bacteria can be used. Furthermore, while preventing infection, it is also important to promote the production of granulocytes. This typically requires ruling out serious hematologic diseases before using medications that promote white blood cell production, such as B vitamins and squalene. However, these treatments are only symptomatic. The primary focus should still be on correcting the underlying cause to maintain white blood cells within a normal range. (Please consult a doctor before using any medication and do not self-medicate.)

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Written by Zhao Xin Lan

Endocrinology

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Treatment methods for leukopenia

First, it is necessary to identify the cause of leukopenia. Common causes include viral infections and poor bone marrow hematopoiesis, and some medications can also cause this condition. Therefore, symptomatic treatment mainly involves the use of medications that increase white blood cells. For mild leukopenia, oral medications commonly used include Li Xuesheng, squalene, and Vitamin B4 to promote the proliferation of white blood cells. In more severe cases, granulocyte colony-stimulating factors may be used. Of course, the main method of treatment still depends on the different causes of each patient. Once leukopenia occurs, it is necessary to go to the hospital for an examination to clearly determine the cause of the decrease in white blood cells, so that targeted treatment can be provided. (Please use medications under the guidance of a professional physician and do not self-medicate.)