dear user these symptoms you had indicate that head injury may caused ear injury, temporomandibular dysfunction or a circulatory system disorder. Stress and anxiety can also causebe main cause of these symptoms ....... Need not to worry..........you should do ct scan brain just for assurance...... You should avoid pricking ear. you should see your ENT specialist for proper examination and to find out any abnormalities of ear or infections........you may need some investigations like x ray ct scan , audiological test ...and otoscope.......investigations required for detect any abnormalities occured with head injury.........also you may get infectiions with bacterial invasions that may causes that stay away from stress and do investigations for assurance hope that helps you