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.
What happens in your head Something may go awry in the hypothalamus, the part of the brain that houses your biological clock. During attacks, the brain may stimulate responses in the nose and eyes. Where it hurts One side of the head, often around one eye. How it feels Sudden sharp or burning pain that lasts 15 minutes to more than two hours