hyperacusis

Hyperacusis is highly debilitating and rare hearing disorder characterized by an increased sensitivity to certain frequencies and volume ranges of sound (a collapsed tolerance to usual environmental sound). A person with severe hyperacusis has difficulty tolerating everyday sounds, which become painful or loud. The prevalence of hyperacusis is 1 in 50,000 people.

Hyperacusis is often coincident with tinnitus. However, tinnitus is more common and there are important differences between their involved ...

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