Normal blood count but fever may be caused by rheumatism, rheumatoid, viral or mycoplasma infection, tumor fever or drug fever.
1. Rheumatic, rheumatoid and other autoimmune diseases: when the patient is in the active stage, the patient can also have the symptom of fever, but the blood routine is normal.
2. Early stage of viral diseases or mycoplasma infection: due to the stimulation of human immune system by secretion, patients may have fever, early blood test suggests that there is no obvious change of white blood cells, which can be reviewed in a few days and followed up by other laboratory tests.
3. Tumor fever: tumor patients may have elevated body temperature and normal white blood cells. The fever does not go down after using antibiotics (levofloxacin) and other drugs, and the fever can be reduced by using antipyretic drugs, such as ibuprofen.
4. Drug fever: erythromycin, benadryl may lead to increased body temperature after the use of drugs, usually for the adverse effects of drugs.
Fever with normal blood routine, this is a lot of cases, it is recommended to go to the regular hospital for examination, can not be based on the blood routine of this examination to determine the cause, need to be further improved under the guidance of the physician other tests. Drugs need to be used under the guidance of a physician.