hyperacusis

/ˌhaɪpərəˈkjuːsɪs/
noun
  1. A medical condition in which ordinary sounds are perceived as unbearably loud or painful.
    • Therapy for hyperacusis often involves gradually getting used to louder sounds.
    • He was diagnosed with hyperacusis after complaining that his own chewing sounded deafening.
    • Hyperacusis can make everyday sounds like running water or a car engine feel painful.
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