\tin - night'- is or tin'- it - us (either pronunciation is correct) [L., tinnire to ring]
Tinnitus is the condition where a phantom noise is heard inside the head. It may be perceived constantly or can occur intermittently. It may be perceived as a loud or soft sound in the form of ringing, hissing, buzzing or roaring. It can be a symptom of any ear disorder including infection, excessive, ear wax, blocked Eustachian Tubes, otosclerosis, Meuniere's Disease, or from blast injuries. It can occur after exposure to excessive loud noise from industry, military or recreational acitivies such as shooting, motor sports, or loud music.
The most accepted causes of tinnitus are:
* Hyperactive Brain Cells
* Inner ear fluid imbalance
* Damage to sensory hair cells
in the inner ear
* Various drug therapies