Fever caused by toothache may or may not be the same as ordinary fever. 1. Toothache fever is mainly caused by periodontal-related diseases that lead to the infection of the body fever, ordinary fever is also for the pathogen infection fever specific fever, the two principles are the same. But toothache fever and non-infectious fever is not the same. 2. Fever caused by toothache is mainly apical periodontitis, gingivitis, periodontitis and other diseases. It causes infection in the oral cavity as well as multiple interstitial spaces. Treat the source tooth accordingly, such as root canal treatment, periodontal treatment. In case of periodontal abscess, consider incision and drainage of pus. 3. Fever from toothache and ordinary infectious fever are both treated to find the source of infection and to treat the infection. Fever caused by toothache and common fever need to be treated as soon as possible, and the medication should be prescribed by the doctor in order to avoid delaying the condition.