There is no specific amount of time it takes for a fever to go down, and it varies depending on the primary illness. It can be as quick as a few hours, or as slow as a few days or more.
For fevers caused by acute infections, it can take as little as a few hours to go down with fever-reducing medication or anti-infective treatment.
For some fever symptoms caused by tuberculosis, generally need to apply anti-tuberculosis drugs for a certain period of time, the patient’s body temperature will gradually return to normal.
If the fever is caused by other reasons such as tumors, anti-tumor treatment or other treatments are needed to eliminate the causative factors before the fever goes down.
Specific should follow the doctor’s instructions for appropriate treatment.