Fever after tooth extraction may be a normal reaction or secondary infection, which can be regulated by physical therapy, medication and other measures. 1. Physical therapy: If the body temperature does not exceed 38 degrees, you can take physical therapy to cool down, such as using cool towels, ice, ice caps and other cold compresses on the forehead, with warm water to wipe the palms of the hands, feet, neck, chest, inner thighs, inner arms and other parts of the body, and at the same time, drink more water to promote metabolism. 2. Medication: Temperature over 38 degrees can take acetaminophen, aspirin and other antipyretic drugs; if there is no other abnormality, it is generally a normal reaction after tooth extraction, no need to deal with it. If secondary infection occurs, you can cooperate with amoxicillin, tinidazole, levofloxacin and other antibiotic anti-infection treatment. Fever after tooth extraction, it is recommended to go to the hospital in time for examination and treatment as prescribed by the doctor. The medication needs to follow the doctor’s advice.