What causes Tinnitus?
Tinnitus is the sound that one perceives in the ear or in the head, without any external sound source. The sound that one hears is produced by the ear itself and is perceived only by the patient himself!
The majority of patients with tinnitus have hearing loss, although many other factors and clinical conditions may be responsible for this symptom. In one study, 75% of tinnitus patients had an average hearing loss of 30 dB.
The frequency of tinnitus usually corresponds to the frequency of the hearing loss. Noise exposure is a common cause of tinnitus. Other causes are: presbyacusis, Menière’s disease, chronic otitis media, otosclerosis, acoustic neuromas, craniocerebral injuries, and cervical spinal cord injuries. Tinnitus may also be a symptom of temporomandibular joint dysfunction, combined with a feeling of fullness of the ear, pain / intolerance, pressure sensitivity in the affected joint.