What should I do if I can’t open my mouth due to swelling and pain on the inside of one side of my mouth?

Swelling and pain on the inner wall of one side of the mouth can not open the mouth is considered to be wisdom teeth pericoronitis, oral ulcers, periodontitis, etc., mainly medication, surgical treatment and so on.
1. Wisdom tooth pericoronitis: wisdom tooth eruption space is not enough, will lead to the formation of blind pockets between the tooth and gums, easy to accumulate food debris, bacterial infections, in the acute phase to control inflammation, you can use hydrogen peroxide, saline pericoronary rinse, and at the same time you can orally metronidazole, amoxicillin to control the inflammation, the inflammation can be controlled to go to the hospital after the wisdom tooth extraction, to avoid repeated episodes.
2. Mouth ulcers: mouth ulcers can cause swelling and pain if they are more serious, you can apply lidocaine gel, compound benzocaine gel to relieve pain, you can apply ice boron powder, watermelon cream, etc. to promote healing, if recurrent episodes can be used to transfer factor, thymosin to improve the immune system, you can eat more vitamin-rich foods.
3. Periodontitis: periodontitis can cause redness and swelling of the gums when it is serious, and there will also be pus overflow from the periodontal band, through scaling and scraping to remove plaque and calculus, you can use antibiotics to control the infection, such as amoxicillin and tinidazole, and surgical treatment can be done when the symptom is serious, including flap surgery, bone grafting, and so on.
One side of the inner wall of the mouth swelling and pain can not open the mouth may also have other reasons should be timely consultation, after the cause is clear standardized treatment, the above drugs should be used in accordance with the doctor’s instructions.