What causes a decrease in white blood cells?

Patient's question:

White blood cell count reduction, the child has had this condition for a long time. I am very worried and afraid it will become serious. Please give me some advice.

Doctor's answer:

There are many reasons for leukopenia: 1. Reduced production of white blood cells; 2. Increased destruction of white blood cells; 3. Abnormal distribution of white blood cells. Since white blood cells are predominantly neutrophils, a reduction in white blood cells is usually a decrease in neutrophils. Common causes: 1. Certain infections, such as viral infections, typhoid fever, tuberculosis, etc. 2. Chemical or physical factors, such as benzene, toluene, etc.; drugs; ionizing radiation, etc. 3. Hematological diseases. 4. Connective tissue diseases, such as systemic lupus erythematosus, etc. 5. Splenomegaly, etc. It is recommended that you visit the local hematology department for further examination.

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