earwax impaction

earwax impaction, filling of the external auditory canal with earwax, or cerumen. Normally the wax produced by skin glands in the outer ear migrates outward. If the earwax is produced too rapidly, it may become hardened and accumulate, thus plugging the outer ear canal and preventing sound passage to the tympanic (eardrum) membrane. This hearing impairment is painless. Impacted earwax is often found in infants, because the large cotton swabs used to remove the wax...