1. The eardrum or tympanic membrane is perforated.
2. Fluid comes out of the middle ear.
3. The ears become closed and the ears hear less.
4. Children learn to speak late.
5. Hearing loss can lead to deafness.
6. Mastoid bone is enlarged, this is called Mastoiditis.
7. Meningitis occurs in the meninges of the brain and spinal cord.
8. The tympanic membrane is perforated and thick pus accumulates in the ear. It is called Otorrhea.
9. Blisters develop outside the tympanic membrane. It is called bullous myringitis.