sábado, 11 de febrero de 2017

Vital Signs: Noise-Induced Hearing Loss Among Adults — United States 2011–2012 | MMWR

Vital Signs: Noise-Induced Hearing Loss Among Adults — United States 2011–2012 | MMWR


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How Do I Know if I Have Hearing Loss Caused by Loud Noise?

Prevention and early detection of hearing loss are important. If you have any signs of hearing loss or if you are at risk for hearing loss, get your hearing tested.

10 Signs of Hearing Loss

If you have any of these signs or symptoms, you may have hearing loss caused by noise:
  1. Speech and other sounds seem muffled
  2. Difficulty hearing high-pitched sounds (e.g., birds, doorbell, telephone, alarm clock)
  3. Difficulty understanding conversations when you are in a noisy place, such as a restaurant
  4. Difficulty understanding speech over the phone
  5. Trouble distinguishing speech consonants (e.g., difficulty distinguishing the difference between s and f,  between p and t, or between sh and th in speech)
  6. Asking  others to speak more slowly and clearly
  7. Asking someone to speak more loudly or repeat what they said
  8. Turning up the volume of the television or radio
  9. Ringing in the earsexpand


  10. Ringing in the ears
  11. Hypersensitivity to certain sounds (certain sounds are very bothersome or create pain)
If you have any signs of hearing loss, get tested by a qualified healthcare provider.

Prevention and Early Detection of Hearing Loss are Important

Don’t wait until you show signs of hearing loss. Have your hearing examined by your doctor during your regular checkup. A basic hearing evaluation usually includes a quick look in the ear with an special light for looking into the ear canal (otoscope) and other checks to assess the sounds you can hear.
Your doctor may refer you to a hearing specialist (audiologist) or other healthcare provider who is qualified to test hearing if you
  • Have a history of exposure to loud noise,
  • Feel your hearing has changed, or
  • Have family or friends that say you have difficulty hearing and communicating with them (those around us can be the first to notice our hearing problems).
The audiologist may have you listen to different sounds through headphones to determine the softest sounds you can hear, or have you repeat lists of words or complete other special tests.

Children Should Have Their Hearing Tested

Children should have their hearing tested before they enter school or any time there is a concern about the child’s hearing. Children who do not pass the hearing screening need to get a full hearing test as soon as possible. For details on screening and tests in children, visit CDC Screening | Hearing Loss in Children.
Tips for People at Risk for Noise-Related Hearing Loss
  • Avoid noisy places whenever possible.
  • Use earplugs, protective earmuffs, or noise-canceling headphones when around loud noises.
  • Keep the volume down when using earbuds or headphones.
  • Ask your doctor for a hearing checkup if you suspect you have had hearing loss.

Are You at Risk for Loud Noise-Related Hearing Loss?

The following conditions and exposures can increase your risk for noise-induced hearing loss.
  • Genetics and individual susceptibility to noise
  • Long-standing (chronic) conditions, such as diabetes and high blood pressure
  • Injuries to the ear
  • Organic liquid chemicals, such as toluene
  • Certain medicines
Medicines that damage the ear are called ototoxic. The damage can result in hearing loss, ringing in the ears, or loss of balance. More than 200 medicines are ototoxic. They include certain antibiotics (for example, gentamicin), cancer treatment drugs (for example, cisplatin and carboplatin), pain relievers that contain salicylate (for example, aspirin, quinine, loop diuretics), and many other medicines. For more information, read Ototoxicity: The Hidden Menace.

Regular Check-Ups Can Help Identify Early Hearing Loss

Regular check-ups are especially important if you are at risk for hearing loss, such as
  • If you have a family history of hearing loss not associated with noise exposure,
  • If you work in a noisy environment,
  • If you engage in noisy activities or hobbies, and
  • If you take medicines that place you at greater risk for hearing loss (for example, certain antibiotics, cancer treatment drugs, pain relievers, and more).

Learn More about Hearing Tests

For more information on hearing tests, visit the following sites:

For More Information

Did You Know That Noise Can Cause Other Health Problems Too?
  • Anxiety
    Exposure to noise can increase stress, anxiety, loss of sleep, and fatigue.
  • Heart Disease
    Noise can also cause elevated blood pressure, heart disease, and increased heart rate.
  • Damage to the Developing Baby During Pregnancy 
    Excessive noise during pregnancy may damage the newborn’s hearing.
  • Learning and Language
    Noisy homes and environments can interfere with learning and language development in children. Even a mild hearing loss can harm a child’s ability to speak, learn, and interact with others.
  • Isolation and Depression
    Untreated hearing loss, especially in older adults, can lead to social isolation, depression, dementia, falls, inability to work or travel, and reduced physical activity.

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