Fever caused by tooth extraction, as long as the regular antibiotic treatment, usually 3-5 days fever symptoms can be relieved, up to 7 days fever symptoms can be completely well. At this time, the fever caused by tooth extraction is often secondary to infection, and antibiotics are needed for treatment. If the symptoms of fever and inflammation are not too severe, oral antibiotics are recommended for treatment, and a combination of two antibiotics is needed, the first is an anti-anaerobic antibiotic, such as metronidazole, ornidazole, or tinidazole; and the second is a general anti-bacterial antibiotic, such as cephalosporin antibiotics. The second is a general antibiotic against bacteria, such as a cephalosporin antibiotic, like cephradine or cefadroxil. If there is a more serious infection, this time you need intravenous antibiotics for anti-inflammatory treatment, you can intravenous drip metronidazole plus ceftriaxone, the effect is better. In addition, for the symptoms of fever, if more serious, more than 38.5 ℃, also need to use antipyretic drugs for treatment, such as ibuprofen suspension.