For large teeth with swollen and painful gums, oral cephalosporins, such as cefprozil, cefdinir, cefixime, etc. can be used. If you are allergic to penicillin, you can also choose erythromycin, azithromycin, roxithromycin, or you can use ciprofloxacin, which can effectively remove gum inflammation, and with metronidazole tablets or tinidazole tablets, or you can also use ornidazole tablets, which can effectively fight against anaerobic bacterial infection and help the gum swelling and pain subside. If there is pus in the swollen and painful gums, you can choose to use mouthwash, commonly used with compound chlorhexidine rinse, rehabilitation new liquid, you can also use metronidazole, tinidazole mouthwash anti-anaerobic bacterial infection. Usually, swollen and painful gums are caused by inflammation of the tooth’s root tip and periodontal inflammation, and should be treated accordingly in a timely manner.