After tooth extraction, routine use of antibiotics to prevent infection is usually recommended, using drugs such as cephalosporins, e.g., cefprozil, cefdinir, cefixime, cefuroxime sodium, and optionally amoxicillin, roxithromycin, erythromycin, and tetracyclines, which can promote wound healing and can effectively control infections in the mouth. Usually, it is necessary to cooperate with imidazole derivatives, which can effectively fight against anaerobic infections, such as metronidazole tablets, tinidazole tablets, ornidazole tablets and so on. If the pain is more severe, you can take oral pain relieving drugs, such as acetaminophen, fenpropidone, loxoprofen sodium, etc. At the same time, it is necessary to use mouthwash type of drugs, which can effectively inhibit bacterial infections in the oral cavity, such as chlorhexidine gargle, compounded boric acid solution and so on.