You can take the right amount of anti-inflammatory drugs to reduce inflammation, but you should also go to the hospital for a specific examination to clarify the specific dental disease and then treat and take the right medication. The cause of gum swelling and pain may be gingivitis or periapical inflammation, for which you can take metronidazole tablets or artificial oxymorphone metronidazole to reduce inflammation. The clinical treatment of gingivitis and periodontitis is mainly with local treatment and local medication. Local treatment includes ultrasonic scaling, periodontal scraping and root planing; local medication is iodine glycerin applied dropwise in the periodontal pocket, or minocycline hydrochloride ointment. Another disease that causes swollen and painful gums may be chronic periapical inflammation. Patients suffering from chronic periapical inflammation can take cephalosporin for anti-inflammation, and also need to combine with metronidazole tablets for anti-inflammation, and root canal treatment for the affected tooth in order to completely solve the problem of inflammatory infection.