Sign or Symptom
hyperacusis
hy·per·a·cu·sis
Subclass of:
Hearing problem
Etymology:
Greek hyper = excessive + akousis = hearing
Abnormally acute or painful sense of hearing.
Definitions related to hyperacusis:
  • A disorder in which an individual has an abnormally low noise tolerance, and increased sensitivity to sounds.
    NCI
    U.S. National Cancer Institute, 2021
  • Abnormally increased perception of sound.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • An abnormally disproportionate increase in the sensation of loudness in response to auditory stimuli of normal volume. COCHLEAR DISEASES; VESTIBULOCOCHLEAR NERVE DISEASES; FACIAL NERVE DISEASES; STAPES SURGERY; and other disorders may be associated with this condition.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Over-sensitivity to certain frequency ranges of sound.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Hyperacusis is a hearing disorder that results in difficulty tolerating sounds that would not bother most people. This condition may occur due to many different causes, such as head injury, viral infections, or neurological disorders. In some people with hyperacusis, sounds are perceived as being much louder than they would be by someone...
    NIH Genetic and Rare Diseases
    National Center for Advancing Translational Sciences
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.