Cerumen Impaction
Definition
Cerumen impaction refers to the buildup of layers of earwax within the ear canal to the point of blocking the canal and putting pressure on the eardrum. Ironically, cerumen impaction is often caused by misguided attempts to remove earwax.
Description
Cerumen impaction develops when earwax accumulates in the inner part of the ear canal and blocks the eardrum. It does not happen under normal circumstances because the cerumen is produced by glands in the outer part of the ear canal; it is not produced in the inner part. Cerumen traps sand or dust particles before they reach the eardrum. It also protects the outer part of the ear canal because it repels water. The slow movement of the outer layer of skin of the ear canal carries cerumen toward the outer opening of the ear. As the...
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