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Tinnitus: What to do about ringing in the ears
At one time or another, almost everyone experiences a ringing in their ears. It鈥檚 common after sitting through a loud concert or an exuberant football game, or after taking aspirin or an antibiotic for a while. But as many as 50 million Americans have chronic tinnitus (pronounced tih-NITE-us or TIN-ih-tus)鈥攁 constant ringing, whistling, buzzing, chirping, hissing, humming, roaring, or even shrieking. (If you don鈥檛 have tinnitus, you can get an idea of what people with the condition hear at the .)
Chronic tinnitus can be caused by a variety of things, from impacted ear wax to medications that damage nerves in the ear, middle ear infection, and even aging. Damage to hair cells in the ear鈥檚 cochlea (see the illustration below) are suspected as a common pathway for these causes. As I write in the September issue of the Harvard Women鈥檚 Health Watch, chronic tinnitus can also be a symptom of M茅ni猫re鈥檚 disease, a disorder of the balance mechanism in the inner ear. (You can read the full article here.)
Managing tinnitus
When chronic tinnitus is caused by a definable problem, like ear wax or grinding your teeth at night or taking aspirin, addressing that problem will often turn down the volume. Otherwise, several strategies can help make tinnitus less bothersome.
One of the simplest approaches is masking the noise. You can do this by listening to music or having a radio, fan, or white-noise machine going in the background. If money is no issue, you can buy devices worn like hearing aids that generate low-level white noise. Although there isn鈥檛 enough evidence from randomized trials to draw any conclusions about the effectiveness of masking, hearing experts often recommend it before turning to more expensive options such as cognitive behavioral therapy, tinnitus retraining therapy, biofeedback and stress management, and transcutaneous electrical stimulation of parts of the inner ear.
Not all insurance companies cover tinnitus treatments in the same way, so be sure to check your coverage. If you鈥檙e willing to enroll in a research study, you may be able to receive a cutting-edge treatment free. (For more information, go to , and enter the search term 鈥渢innitus.鈥�)
Hair cells in the cochlea transform sound waves into electrical signals that travel to the brain's auditory cortex. When these cells are damaged by loud noise, medications, or other problematic inputs, brain circuits don't receive the signals they are expecting to get. They respond by generating abnormal activity, which results in the illusion of sound, which is tinnitus.
The Harvard Women鈥檚 Health Watch聽is a monthly newsletter from 天博体育 Publishing, the consumer publishing division of Harvard Medical School.
About the Author
Carolyn Schatz, Former Editor, Harvard Women's Health Watch
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