After the extraction of teeth, if the anesthetic subsides after the pain, is a normal phenomenon, you can choose to eat painkillers and anti-inflammatory drugs, the general choice of drugs are rosoprofen sodium, ibuprofen, acetaminophen; anti-inflammatory drugs are cephalosporin, amoxicillin, roxithromycin, etc., and with metronidazole tablets or nitrozole tablets, you can also choose to use intravenous fluids. If it is more painful after tooth extraction, you can choose to use ice packs, which can reduce swelling and relieve pain, or you can use hot packs after 48 hours. In addition, you should not brush your teeth or rinse your mouth within 24 hours. If there is no pain in the first two days after tooth extraction, and the pain starts around the 3rd-4th day, this kind of severe pain is usually a symptom of dry socket. At this point, you can follow up with your dentist to have the wound treated by a physician. Usually it is necessary to scratch the alveolar fossa, localized with iodoform gauze for medication, and then intravenous fluids or oral anti-inflammatory drugs, after a few days of changing the medicine can return to normal.