Fever caused by toothache can be recovered in two or three days. Tooth acute periapical inflammation, periapical tissue suppuration, localized swelling, in addition to tooth bite pain, spontaneous pain, but also can be accompanied by systemic symptoms, mainly manifested as general weakness, low fever and other non-symptoms, mainly localized infections are mainly fever after root canal treatment, generally two or three days will be restored. More complex teeth and wisdom teeth, after extraction varies from person to person, there will also be a fever, due to the presence of wounds, stimulate the immune system of the body of a protective response, in order to prevent postoperative infections can be oral antibiotics and painkillers, such as amoxicillin, metronidazole, ibuprofen and other medications, generally 2 to 3 days will recover. Toothache caused by fever, need to consult a doctor in time, under the guidance of the doctor for standardized treatment and medication.