Inflammation and swelling of the inner wall of the mouth hot and painful may be caused by mouth ulcers, gingivitis, pharyngitis and other conditions, need to be based on the cause of the choice of taking drugs, periodontal treatment, increase water intake and other ways to deal with. 1. Mouth ulcers: Mucosal injury or infection caused by mouth ulcers will cause white ulcerated surfaces to appear in the mouth, resulting in oral inflammation, swelling, and accompanied by significant pain. You can follow the doctor’s instructions to apply ice boron powder, oral ulcer powder, mucosal ulcer powder and other drugs, can make the ulcer healing and reduce pain. 2. Periodontitis: Plaque or calculus stimulation causes periodontitis, which can lead to inflammation, swelling, bleeding and itching of the gums in the mouth, and in severe cases, it can spread to the inner wall of the mouth. You can choose to scaling to remove dental calculus and plaque, can also be used locally hydrogen peroxide solution, compound chlorhexidine gargle, concentrated tinidazole gargle and other drugs to rinse the gums. 3. pharyngitis: usually bad dietary habits, bacterial infections and other factors can also lead to the occurrence of pharyngitis, can lead to pain, redness, swelling and other discomforts of the throat or the lining of the mouth, you can use amoxicillin capsules, roxithromycin capsules, clarithromycin capsules and other anti-inflammatory drugs. It is recommended that patients with inflammation of the lining of the mouth should consult a doctor in a timely manner to find out the specific cause of the disease and symptomatic treatment, the use of drugs need to follow the doctor’s instructions, do not self-medication.