What is buzzing in ears? The sound of buzzing or ringing in your ears in the absence of audible noise can be annoying. The symptom caused by a medical condition called tinnitus, which produces a sound that may resemble ringing, buzzing, clicking, hissing, clanging or wheezing. They can be present in one or both ears, constant or intermittent. It is a common condition that can range in severity from being a nuisance to a symptom of a medical emergency that should be evaluated immediately. Tinnitus has no known direct cause, but it can be symptomatic of ear infections, foreign objects in the ear, earwax buildup, allergies, high blood pressure, anemia, or a condition known as Meniere’s disease (swelling in part of the inner ear canal, causing dizziness and hearing loss). Alcohol, caffeine, and certain drugs are also contributing factors in some cases of tinnitus. Seek immediate medical care (call 911) if the buzzing in your ear begins after a head injury, or if it is accompanied by such symptoms as nausea with or without vomiting, and dizziness or vertigo. Seek prompt medical care if you have buzzing in your ear that is persistent, recurrent, or causes you concern.