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Acoustic trauma

Injury - inner ear; Trauma - inner ear; Ear injury

Acoustic trauma is injury to the hearing mechanisms in the inner ear. It is due to very loud noise.

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Causes

Acoustic trauma is a common cause of sensory hearing loss. Damage to the hearing mechanisms within the inner ear may be caused by:

Symptoms

Symptoms include:

Exams and Tests

The health care provider will most often suspect acoustic trauma if hearing loss occurs after noise exposure. A physical exam will determine if the eardrum is damaged. Audiometry may determine how much hearing has been lost.

Treatment

The hearing loss may not be treatable. The goal of treatment is to protect the ear from further damage. Eardrum repair may be needed.

A hearing aid may help you communicate. You can also learn coping skills, such as lip reading.

In some cases, your doctor may prescribe steroid medicine to help bring back some of the hearing.

Outlook (Prognosis)

Hearing loss may be permanent in the affected ear. Wearing ear protection when around sources of loud sounds may prevent the hearing loss from getting worse.

Possible Complications

Progressive hearing loss is the main complication of acoustic trauma.

Tinnitus (ear ringing) can also occur.

When to Contact a Medical Professional

Call your provider if:

Prevention

Take the following steps to help prevent hearing loss:

Related Information

Hearing loss

References

Arts HA, Adams ME. Sensorineural hearing loss in adults. In: Flint PW, Francis HW, Haughey BH, et al, eds. Cummings Otolaryngology: Head and Neck Surgery. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 152.

Crock C, de Alwis N. Ear, nose and throat emergencies. In: Cameron P, Little M, Mitra B, Deasy C, eds. Textbook of Adult Emergency Medicine. 5th ed. Philadelphia, PA: Elsevier; 2020:chap 18.1.

Le Prell CG. Noise-induced hearing loss. In: Flint PW, Francis HW, Haughey BH, et al, eds. Cummings Otolaryngology: Head and Neck Surgery. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 154.

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Review Date: 4/13/2020  

Reviewed By: Josef Shargorodsky, MD, MPH, Johns Hopkins University School of Medicine, Baltimore, MD. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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