Gums that reduce swelling quickly can usually be relieved by topical treatments, medications, and other methods. Gum swelling caused by different reasons, the fastest way to reduce swelling can not be generalized. 1. Local treatment: swollen gums due to pericoronitis, apical periodontitis, etc., pericoronitis can generally be localized rinsing, on the iodine glycerin; apical periodontitis root canal treatment, can alleviate the symptoms of swollen gums, pain. 2. Medication: If the swelling is serious, you can use antibiotic medication under the guidance of a doctor, such as metronidazole, amoxicillin, etc., and ibuprofen should be used in conjunction with the pain is obvious. At the same time, should keep the mouth clean, regular oral examination. If the swelling of the gums is serious, it is recommended to seek medical treatment in time.