Underlying causes for ear injury include:
- Injuries to the outer ear are usually caused by objects that strike the ear.
- Ear canal and eardrum injuries are usually caused by sharp objects that are inserted into the ear canal.
- Injuries to the inner ear are usually caused by changes in pressure between the inner ear and the outer ear.
Causes of pressure changes include:
- Flying
- Mountain climbing
- Scuba diving
- Slapping the ear
- Very loud noises
