What Causes Ringing in the Ears (Tinnitus)?

ENT Health Guide Tinnitus is the sensation of hearing sound when no external sound is present. Many people describe it as ringing, but it may also sound like buzzing, humming, hissing, clicking, roaring, or pulsating. Tinnitus is not a disease by itself. It is usually a symptom of an underlying ear, hearing, jaw, nerve, or […]