What should I do if the flesh in the innermost part of my mouth swells up?

Swelling of the inner most flesh of the mouth can be relieved by antibiotics if it is caused by wisdom tooth pericoronitis, and periodontitis should be treated by periodontal therapy.
1. Wisdom tooth pericoronitis: If there is wisdom tooth pericoronitis, there will be redness, swelling and pain in the gum tissue around the wisdom tooth, you can use chlorhexidine mouthwash to clean, and take cefuroxime, metronidazole and so on. If the wisdom teeth are blocked, the symptoms are likely to recur, and the wisdom teeth need to be removed.
2. Periodontitis: If there is periodontitis, the gums will be red and swollen, and periodontal treatment is needed, including scaling and scraping.
If the phenomenon of swollen gums is obvious, go to the hospital in time for treatment, and pay attention to the use of the above drugs as prescribed by the doctor.