There is no good way to reduce the swelling and pain at the root of the gums, and it takes a process to reduce the swelling and pain. Generally, the pain can be relieved by medication and root canal treatment according to the cause. 1. Gum root swelling and pain may be caused by periodontitis, when the pain is severe, you can use anti-inflammatory painkillers, such as diclofenac sodium extended-release tablets to relieve the symptoms, and at the same time need to carry out periodontal treatment, such as cleaning, scraping to remove periodontal irritants, such as dental calculus. 2. There may also be apical periodontitis caused by gum root swelling and pain, this situation can be anti-inflammatory treatment, the use of cefixime dispersible tablets and metronidazole tablets, and then through the endodontic treatment, can be very good relief of the symptoms of swelling and pain. It is recommended to go to the hospital in time to do a checkup after the gums and roots are swollen and painful, to find out the cause of targeted medication, the use of drugs need to be used under the guidance of a doctor, can not be used without authorization.