If the fever is caused by bacterial infection, if the fever is not very serious and the bacterial infection is not particularly serious, it can be treated by taking oral antibiotics, such as amoxicillin or amoxicillin clavulanic acid potassium if there is no allergy to penicillin; if there is allergy to penicillin, cephalosporin antibiotics can be taken orally for anti-inflammatory treatment. If you are allergic to penicillin, you can take oral cephalosporin antibiotics for anti-inflammatory treatment, such as cefaclor or cefadroxil, which are more effective; if all of the above drugs exist, you can also take azithromycin orally for anti-inflammatory treatment. In addition, in the case of fever, if the temperature is greater than 38.5°C, oral antipyretics should be taken immediately to reduce the fever, such as oral ibuprofen suspension. If the bacterial infection is more serious and oral medication is not effective, intravenous antibiotics are needed for anti-inflammatory treatment, such as ceftriaxone or cefoperazone if you are not allergic to cephalosporins.