U.S. National Library of MedicineNational Institutes of Health
Skip navigation
MedlinePlus Trusted Health Information for You MedlinePlus Trusted Health Information for You MedlinePlus Trusted Health Information for You
  FAQs Site Map About MedelinePlus Contact Us
español

Printer-friendly version E-mail this page to a friend
Illustration of two types of hearing aids
  • Related Topics

  • Go Local

    • Services and providers for Hearing Aids in the U.S.
  • National Institutes of Health

A hearing aid is a small electronic device that you wear in or behind your ear. It magnifies sound vibrations entering the ear. That makes some sounds louder. A hearing aid can help people hear more in both quiet and noisy situations.

Hearing aids help people who have hearing loss from damage to the small sensory cells in the inner ear. The damage can occur as a result of disease, aging, or injury from noise or certain medicines.

Only about one out of five people who would benefit from a hearing aid actually uses one. If you think a hearing aid could help you, visit your doctor.

National Institute on Deafness and Other Communication Disorders

Start Here
  • Hearing AidsFrom the National Institutes of Health(National Institute on Deafness and Other Communication Disorders)
    Also available in Spanish