Hearing loss

Definition

Hearing loss is being partly or totally unable to hear sound in one or both ears.

Considerations

Symptoms of hearing loss may include:

Other symptoms include:

Causes

Conductive hearing loss (CHL) occurs because of a mechanical problem in the outer or middle ear. This may be because:

Causes of conductive hearing loss can often be treated. They include:

Sensorineural hearing loss (SNHL) occurs when the tiny hair cells (nerve endings) that detect sound in the ear are injured, diseased, do not work correctly, or have died. This type of hearing loss often cannot be reversed.

Sensorineural hearing loss is commonly caused by:

Hearing loss may be present at birth (congenital) and can be due to:

The ear can also be injured by:

Home Care

You can often flush wax buildup out of the ear (gently) with ear syringes (available in drug stores) and warm water. Wax softeners (like Cerumenex) may be needed if the wax is hard and stuck in the ear.

Take care when removing foreign objects from the ear. Unless it is easy to get to, have your health care provider remove the object. Don't use sharp instruments to remove foreign objects.

See your health care provider for any other hearing loss.

When to Contact a Medical Professional

Call your health care provider if:

What to Expect at Your Office Visit

The health care provider will take your medical history and do a physical exam.

Tests that may be done include:

The following surgeries may help some types of hearing loss:

The following may help with long-term hearing loss:

Cochlear implants are only used in people who have lost too much hearing to benefit from a hearing aid.


Review Date: 5/18/2014
Reviewed By: Ashutosh Kacker, MD, BS, Professor of Clinical Otolaryngology, Weill Cornell Medical College, and Attending Otolaryngologist, New York-Presbyterian Hospital, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

This information should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. © 1997- 2007 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.