Tinnitus is caused by damage to the hair cells of the inner ear. When you have
ringing in the
ears, you may hear a buzzing,
ringing, hissing or whistling noise in one or both ears. This can be a serious problem is it goes untreated because it can lead to hearing loss. Ringing in the ears is also caused by a cold, flu, ear infection, too much wax in the ear, head injuries, high blood pressure, too much fluid in the ear and certain drugs.