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    Types of Hearing Loss in Children

    What are the different types of hearing loss?

    There are 3 main types of hearing loss: sensorineural, conductive, and mixed (both sensorineural and conductive). These types of hearing loss can be present at birth (congenital). Or they can happen after birth (acquired).

    Sensorineural

    This is a loss of function in the inner ear or with the connection to the brain. Causes of this type of hearing loss include:

    Conditions that are present at birth (congenital) such as:

    • The birth parent has an infection such as toxoplasmosis, rubella, cytomegalovirus, herpes, or syphilis

    • The birth parent has diabetes

    • Complications linked to Rh factor in the blood

    • Genetic factors and syndromes the child has at birth

    • A condition that is passed down in the family (hereditary)

    Conditions that occur after birth (acquired) such as:

    • Loud noise exposure

    • Injury

    • Infections

    • Damage from certain medicines that can be harmful to the ears

    • Low birth weight or prematurity

    Conductive hearing loss

    This is a problem in the outer or middle ear where sound waves are not sent to the inner ear correctly. It is the most common type of hearing loss in children. It often develops after birth. Factors that may cause this type of hearing loss are:

    Congenital conditions such as:

    • Problems with the outer ear

    • Problems with the eardrum

    • Problems with the outside ear canal

    • Problems with the 3 tiny bones that send sound waves to the middle ear (ossicles)

    Acquired conditions such as:

    • Excessive wax

    • An object getting stuck in the ear canal, such as beads or popcorn kernels

    • Middle ear tumors

    • Problems with the eustachian tube

    • Ear infections

    • Ongoing (chronic) ear infections with fluid in the middle ear

    • Ruptured eardrum (perforated eardrum)

    Mixed hearing loss

    This is a combination of sensorineural and conductive hearing loss. There is damage to the outer, middle, or inner ear, or the auditory nerve.

    Online Medical Reviewer: Mahammad Juber MD
    Online Medical Reviewer: Marianne Fraser MSN RN
    Online Medical Reviewer: Tara Novick BSN MSN
    Date Last Reviewed: 8/1/2023
    © 2000-2024 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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    Southern New Mexico
    Surgery Center

    2301 Indian Wells Rd. Suite B
    Alamogordo, NM 88310
    www.snmsc.org

    Phone: 575.437.0890
    Fax: 575.437.0905
    Email: info@snmsc.org

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