See Sudden Sensorineural Hearing Loss.

Hearing loss in the inner ear that occurs all at once or within only a few days due to such causes as an explosion, a viral infection or the side effect of some (ototoxic) drugs.

Sound levels loud enough to be heard.

See Otitis externa.

A hearing loss that is accompanied by additional physical characteristics such as blindness, physical deformities or mental retardation. It may also involve other organs.

A reaction where the total is more than the sum of the individual parts. For example, noise and certain drugs have a synergistic effect on hearing loss. Assume that a given amount of noise normally causes 1 unit of hearing loss. Also, assume that a given drug normally causes 2 units of hearing loss. Therefore, […]