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Deafness and hearing loss: Tinnitus [1]

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Date: 2025-03

Tinnitus is the perception of a noise, such as ringing, buzzing, or hissing, in the ears when no external sound is present. It can be perceived in one ear, in both ears or inside the head. Tinnitus can be perceived as constant or intermittent. The sound perceived by a person experiencing tinnitus can be continuous, pulsatile (at the same time as the heartbeat), or rhythmic in nature. These different types of tinnitus can have different causes (1). Tinnitus can be acute (a duration of less than 3 months) or chronic (more than 3 months).



Tinnitus is not bothersome in all people who perceive it (2). When the perception of tinnitus is associated with emotional distress or cognitive dysfunction this is termed tinnitus disorder.

In other words, “tinnitus” describes the symptom and perception of it, whereas “tinnitus disorder” reflects the symptom and the associated suffering (1).

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[1] Url: https://www.who.int/news-room/questions-and-answers/item/deafness-and-hearing-loss--tinnitus

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