If you have tinnitus, you'll hear a ringing noise in your head that isn't caused by anything outside your body. It may also sound like buzzing, roaring, clicking, or hissing. It's very common – ...

Tinnitus (pronounced ti-NIGH-tus), or ringing in the ears, is the sensation of hearing ringing, buzzing, hissing, chirping, whistling, or other sounds. You may hear the noise all the time, or it may ...