âº A donor is also someone who gives blood or who agrees to give an organ or body part to help someone else. (Definition of âdonorâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
Middle ear and outer ear infections are common causes of sharp ear pain. An infection of the inner ear, formally called labyrinthitus, may cause sharp pain as well as a loss of balance. People with a bad cold or the flu often experience sharp ear pain.
Injury, infection, irritation in the ear, or referred pain may cause earaches. Referred pain is pain that is felt somewhere other than the site of the infection or injury. Pain that originates in the jaw or teeth may be felt in the ear. Common causes of earaches include: ear infection.