Ringing in the ear (tinnitus) is the perception of sound in the ear or head without an external source. It may be one-sided or both-sided, continuous or intermittent. This page offers general information about likely causes, when urgent assessment may be needed, and which medical specialties commonly evaluate tinnitus.
Tinnitus describes hearing sounds such as ringing, buzzing, humming, clicking, whistling or a pulsing sensation when no external noise is present. Most tinnitus is subjective (heard only by the person affected); objective tinnitus, which can sometimes be detected by an examiner, is less common. The sound quality and impact vary between people and can affect concentration and sleep.
Many factors can contribute to tinnitus. Ear-related causes include earwax buildup, middle ear fluid, age-related or noise-induced hearing loss, and ear infections. Systemic or neurological contributors include vascular changes, nerve or brain disorders, temporomandibular joint (jaw) problems and metabolic conditions. Stress, poor sleep, and some medications can trigger or worsen tinnitus.
Most tinnitus does not require emergency care, but prompt medical review is important if it appears suddenly or is accompanied by other concerning signs. Seek immediate assessment if tinnitus starts suddenly or worsens rapidly, occurs with sudden hearing loss, severe dizziness, new weakness, changes in speech or vision, pulsatile (heartbeat-synchronous) tinnitus, high fever, severe ear pain or bleeding. In such cases, contact emergency services or your clinician without delay.
Initial evaluation typically includes a clinical history and ear examination. Basic tests often used are hearing tests (audiometry), tympanometry and otoscopy. Depending on findings, further tests such as MRI or CT imaging, blood pressure and vascular assessments, or dental/jaw evaluation may be recommended. Specialists decide which investigations are appropriate based on the clinical picture.
Tinnitus cannot always be eliminated, but many people find ways to manage it. Measures that may help include protecting ears from loud noise, avoiding cotton swabs for ear cleaning, improving sleep and stress management, and monitoring potential triggers like caffeine or smoking. Sound therapy (white noise or maskers) and cognitive coping techniques can be useful for some—discuss options with a healthcare professional.
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