Wax Blockage


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Definition

Wax blockage is an obstruction of the ear canal with wax (cerumen).


Alternative Names

Ear impaction; Cerumen impaction; Ear blockage; Ear wax


Causes, incidence, and risk factors

The ear canal is lined with hair follicles and glands that produce a waxy oil called cerumen.

Ear wax protects the ear by trapping dust, bacteria and other microorganisms, and other foreign particles to prevent them from entering and damaging the ear. Ear wax also helps protect the delicate skin of the ear canal from becoming irritated when water is in the canal. The wax usually makes its way to the opening of the ear, where it falls out or is removed by washing.

In some people, the glands produce more wax than can be easily removed from the ear. This extra wax may harden in the ear canal and block the ear. More commonly, wax may block the ear canal if you try to clean the ear and accidentally push wax deeper into the ear canal.

Wax blockage is one of the most common causes of hearing loss.


References

Riviello RJ, Brown NA. Otolaryngologic procedures. In: Roberts JR, Hedges JR, eds. Clinical Procedures in Emergency Medicine. 5th ed. Philadelphia, Pa: Saunders Elsevier; 2009:chap 64.

Armstrong C. Diagnosis and management cerumen impaction. Am Fam Physician. 2009 Nov 1;80(9):1011-1013.

House JC, Lee DJ. Topical therapies of external ear disorders. In: Cummings CW, Flint PW, Haughey BH, et al, eds. Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 138.


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Review Date: 8/3/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Seth Schwartz, MD, MPH, Otolaryngologist, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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Last Updated 10/25/2011
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