Hyperacusis



Hyperacusis is a debilitating hearing disorder where there is an increased sensitivity to certain frequencies and volume ranges of sound. Everyday sounds can be unbearable to the sufferer but will have no effect on others. Hyperacusis is often accompanied by Tinnitus. Hearing loss is a significant risk factor with both conditions.

Prevalence
Hyperacusis and Tinnitus have a prevalence of about 10–15%.

Hyperacusis in ME/CFS
Hyperacusis is a symptom of ME recognized in the International Consensus Criteria's neurosensory symptoms, and counts towards the neurological symptoms required to diagnose ME or atypical ME (which is when symptoms are partially rather than fully met).

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