ringing in the ear, may also manifest as buzzing, hissing, whistling, crickets, bells, roaring, clicking, pulsating, humming, or swishing sounds.
- most common type is high-pitched
- tinnitus with sensorineural loss; less common is low-pitched tinnitus with conduction loss such as is seen in Meniere's disease
- Tinnitus can be caused by loud noises, excessive cerumen or auditory canal
- obstruction, disorders of the cervical vertebrae or the temporomandibular joint, allergies, an underactive thyroid, cardiovascular disease, tumors, conductive hearing loss, anxiety, depression, degeneration of the bones in the middle ear, infections, or trauma to the head or ear.