Repeated high fever of 40 degrees for bacterial infection is usually good for about 7~10 days, and the temperature will probably return to normal in about 1~2 days, though the exact time should depend on the severity of the patient’s condition and the infection. If the fever is caused by bacterial infection, the temperature will return to normal in about 1~2 days; and about the bacterial infection probably needs to last for 7~10 days before it can be cleared out of the body, though the specific time should be combined with the progress of the patient’s condition and the degree of infection. If currently diagnosed with bacterial infection, antibacterial drugs should be taken to control the inflammation as prescribed by the doctor, such as cefixime, cefuroxime, ampicillin, etc.; and regarding fever, when the temperature exceeds 38.5 degrees, oral ibuprofen can be taken to reduce the fever. Repeated body fevers due to bacterial infections should also drink more water to ensure adequate hydration in the body and prevent water-electrolyte disorders, but the specific medication regimen should be carried out in strict compliance with the doctor’s instructions.