Repeated fevers with high white blood cells are usually caused by the presence of bacterial infections in the organism, and in a few cases, due to malignant diseases such as tumors and leukemia.
The increase in the number of white blood cells is mainly influenced by neutrophils. Neutrophils increase in cases of acute infections, especially purulent bacterial infections, such as those of Staphylococcus aureus, hemolytic streptococcus, and Streptococcus pneumoniae. Therefore, elevated white blood cells in recurrent fevers may be caused by bacterial infections of the respiratory tract, digestive tract, urinary tract, or skin.
When acute leukemia is present, there are large numbers of naïve white blood cells along with persistent symptoms of malignant hyperthermia. Some malignant tumors produce inflammatory factors and granulocyte-stimulating factors, causing elevated white blood cells and recurrent malignant hyperthermia.
If the repeated fever does not get better and the white blood cells cannot return to normal, you should go to the hospital in time for proper treatment under the guidance of your doctor to avoid delaying your condition.