Hyperacusis describes often painful oversensitivy to environmental noise at normal volumes.  It may cover a wide or narrow range of frequencies. It is usually caused by damage to the inner ear, particularly that which is common by working in a noisy environment.

Hyperacusis at Wikipedia

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.