constant tinnitus causes
Some causes of tinnitus are less common, including: 1  Meniere's disease. Tinnitus can be an early indicator of Meniere's disease, an inner ear disorder that may be caused by abnormal inner ear fluid pressure. 2  TMJ disorders.
A number of health conditions can cause or worsen tinnitus. In many cases, an exact cause is never found. A common cause of tinnitus is inner ear cell damage. Tiny, delicate hairs in your inner ear move in relation to the pressure of sound waves.