Tearing pain inside the ear and pain in the mouth may be caused by temporomandibular arthritis, acute pharyngitis, acute otitis media and so on. 1. Temporomandibular arthritis: due to the use of only one side of the teeth when eating, or asymmetry between the two sides of the teeth. After repeated chewing, it may lead to wear and tear of the temporomandibular joints, causing temporomandibular arthritis, and the irritation of inflammation will cause pain in the mouth and tugging pain in the ear. 2. Acute pharyngitis: If you suffer from acute pharyngitis, it will lead to pharyngeal mucosa congestion, edema, pain and burning sensation in the throat. As the throat and ear are connected, the stimulation of inflammation may also cause radioactive pain in the ear area. 3. Acute otitis media: due to bacterial infection caused by acute otitis media, patients may experience ear pain, often accompanied by sore throat, cough and other symptoms of upper respiratory tract infection. When there is pain inside the ear and pain in the mouth, you should go to the hospital in time and ask the doctor to make a clear diagnosis and treatment.