If you want to reduce the swelling and pain quickly, you should first identify the cause of the problem. If it is caused by periodontal abscess, it is recommended that oral anti-inflammatory drugs be taken first, and after the abscess has partially subsided, scaling and subgingival scaling can be performed to clean the calculus in the mouth, which can completely remove the source of infection. If the periodontal abscess is already fluctuating, abscess incision can be performed first, which can quickly drain the abscess and relieve the pain. If the abscess is caused by periapical abscess, it is usually due to tooth decay or tooth trauma, which may develop into pulp necrosis and apical abscess will appear when it develops to the root tip, which usually requires root canal treatment, and can be combined with oral medication to promote the inflammation to subside. Tinidazole tablets, which should be used with caution if there is an allergy. In addition, it is also possible that the tooth swelling and pain is caused by a pericoronal abscess, which is usually caused by the tooth not fully erupted, and there is pus between the gums and the tooth, so the pain is produced, you can use a needle to extract saline or hydrogen peroxide alternately to rinse out the pus, it can quickly stop the pain.