Hearing loss can run in families, although you may not be as susceptible as a parent or grandparent. Hearing Associates has cared for patients since 1980, and at our Libertyville and Gurnee offices, our hearing care team can evaluate your hearing with your family history in mind and explain how genetics may affect your hearing health. If hearing loss is a known condition among your relatives, prioritizing early testing and protective habits can help you preserve your hearing and address changes sooner.
How Common Are the Two Main Types of Genetic Hearing Loss?
Of the two main types of genetic hearing loss, nonsyndromic hearing loss accounts for about 70% of genetic cases and occurs without other medical symptoms, while syndromic hearing loss makes up the remaining 30% and occurs alongside other health conditions, such as Usher, Pendred, and Waardenburg syndromes.
Both types are caused by changes in genes that affect how the ear develops or functions. Most genetic hearing loss is sensorineural, meaning it involves the hair cells of the inner ear or the auditory nerve. It may be present at birth or develop later in life.
How Do Inheritance Patterns Affect a Child’s Risk?
Inheritance patterns determine a child’s risk of hearing loss, which may range from no risk to 50% or higher depending on the specific gene involved. In many cases, parents with normal hearing can still have a child with genetic hearing loss.
The main inheritance patterns include:
- Autosomal dominant: Only one changed gene from one parent is needed, giving each child a 50% chance of inheriting the condition.
- Autosomal recessive: Both parents carry one changed gene without having hearing loss themselves, giving each child a 25% chance of inheriting the condition.
- X-linked: The changed gene is on the X chromosome, so males are more likely to be affected, while females are often carriers.
- Mitochondrial: The condition is passed only by the mother and can affect all of her children.
Autosomal recessive inheritance accounts for about 80% of nonsyndromic genetic hearing loss, which explains why most infants with hearing loss are born to parents with normal hearing. Even within the same family, severity and age of onset can vary from one person to another.
What Early and Late Signs Point to Hereditary Hearing Loss?
Hereditary hearing loss can show early signs in infancy, such as not reacting to loud sounds, or later signs in adulthood, such as trouble following conversations in noisy places. It may be noticeable at birth, during childhood, or later in adulthood. Some forms are congenital and identified through newborn hearing screening, while others are progressive and develop gradually over years or decades.
Congenital hearing loss affects up to three in every 1,000 babies, and inherited genetic factors contribute to about 60% of hearing loss in infants. In young children, signs may also include not turning toward voices or delays in speech and language development.
Later-onset genetic hearing loss often develops slowly and can be easy to overlook. Adults may notice:
- Difficulty following conversations in noisy places
- Asking others to repeat themselves
- Turning up the television or phone volume
- Ringing or buzzing in the ears
Family members are often the first to recognize these gradual changes, because they can go unnoticed.
Should You Get a Baseline Hearing Test in Libertyville or Gurnee?
Yes, a baseline hearing test can benefit you even before symptoms appear if hearing loss runs in your family, and you should have your hearing tested as soon as you notice changes.
Almost all hospitals screen newborns for hearing loss within the first few days of life. Children who pass newborn screening but have a family history of hearing loss may still benefit from monitoring, since some genetic forms develop later.
For adults, a baseline evaluation provides a reference point for tracking changes over time. Our hearing care team can perform a comprehensive hearing test, discuss your family history, and recommend how often you should return for follow-up testing. When a genetic cause is suspected, we may recommend a referral for genetic counseling or testing. Currently, no genetic test can predict whether a person will develop age-related hearing loss, which makes regular hearing evaluations especially important.
How Can You Shield Your Hearing From Further Strain?
You can shield your hearing from further strain by limiting noise exposure, using hearing protection, reviewing medications with your healthcare providers, managing your overall health, and scheduling regular hearing evaluations, which matters most when you have a genetic risk of hearing loss.
Because some genes can make the inner ear more vulnerable to damage, avoiding additional strain is especially important. Wearing earplugs or earmuffs around loud equipment, concerts, or firearms and keeping headphone volume at moderate levels can reduce noise exposure. Some medications can affect hearing, so let your healthcare providers know about a family history of hearing loss before starting new prescriptions.
Overall health also plays a role. Conditions such as high blood pressure, heart disease, and diabetes may increase the risk of hearing loss, so managing these conditions supports long-term hearing health.
When hearing loss does develop, our hearing care team can recommend options such as hearing aids and track changes over time to adjust your care as needed.
Schedule Your Visit With Hearing Associates
If hearing loss runs in your family, a hearing evaluation at Hearing Associates is a smart first step. The appointment begins with a hearing test to establish your baseline and determine whether immediate treatment or additional monitoring is needed.
Call or text 847-550-3768 or schedule an appointment online at our Libertyville office on the Advocate Condell Medical Campus or our Gurnee office on the Greenleaf Professional Campus.
