Swelling and pain in the upper jaw should be viewed at a professional medical facility to check the type of disease and to make a symptomatic diagnosis. To talk about common clinical situations, common swelling and pain in the upper jaw may be odontogenic, the most common is apical inflammation of the teeth in the upper jaw, further development of apical inflammation of the teeth in the upper jaw many will cause swelling and pain in the upper jaw, you need to go to the dentistry department to find the tooth that causes pain in the upper jaw to drill it open, drill the fossa open at the same time for drainage of inflammation, and after the drainage is sufficient and the pain symptoms are relieved, root canal treatment and restoration of the tooth will be performed. There are also special cases, such as maxillary sinusitis, that require systemic antibiotics along with supplemental maxillary sinus irrigation. Sometimes pain in the second branch of the trigeminal nerve is also associated with maxillary swelling and pain, which can be treated symptomatically with oral carbamazepine.