When a child’s white blood cell count remains persistently high, parents should know how to cope and seek further medical advice.

A 9-year-old child’s white blood cell count has increased, without fever, but with severe coughing and respiratory rales. After several days of home intravenous fluid therapy, there was no improvement. The child went to the hospital yesterday, and the doctor recommended hospitalization. This article explains the causes of leukocytosis and related diseases, and advises consulting a doctor for detailed treatment plans and precautions.