Hearing loss can run in families, though you may not be as susceptible as your parents or grandparents. At Hearing Care Partners, our hearing care team of audiologists and hearing instrument specialists can evaluate your hearing alongside your family history and help you understand how genetics may affect your hearing health. With offices in Kirksville, Chillicothe, Maryville, Farmington and three other Missouri communities, we encourage anyone with a family history of hearing loss to put early testing and protective habits first, so changes are caught and addressed sooner.
What Lies Behind Genetic Hearing Loss?
Changes in genes that affect how the ear develops or functions lie behind genetic hearing loss. 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.
Specialists generally divide it into two categories. Nonsyndromic hearing loss accounts for about 70% of genetic cases and occurs without other medical symptoms. Syndromic hearing loss makes up the remaining 30% and occurs alongside other health conditions, such as Usher, Pendred, and Waardenburg syndromes.
How Much Does Family History Affect a Child’s Chance of Hearing Loss?
Family history affects a child’s chance of hearing loss according to the inheritance pattern of the specific gene involved. Depending on the pattern, that chance may range from no risk to 50% or higher, and 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.
How Old Are People When Genetic Hearing Loss Begins?
Genetic hearing loss can begin at any age: 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 include not reacting to loud sounds, not turning toward voices, or delays in speech and language development.
Later-onset genetic hearing loss often develops slowly, which can make it 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
Because gradual changes can go unnoticed, family members are often the first to recognize them.
How Often Should Relatives of People With Hearing Loss Be Tested?
Relatives of people with hearing loss should be tested as soon as they notice changes, and a baseline test with regular follow-up evaluations can help even before symptoms appear.
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 hearing evaluation provides a reference point for tracking changes over time. Our 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, your provider 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.
What Can You Do to Preserve Your Hearing Despite a Genetic Risk?
Despite a genetic risk, you can preserve your hearing by limiting noise exposure, using hearing protection, reviewing medications with your healthcare providers, managing your overall health, and scheduling regular hearing evaluations.
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.
Find a Hearing Care Partners Office From Maryville to Farmington
If hearing loss runs in your family, a hearing evaluation at Hearing Care Partners is a practical first step. A baseline test shows where your hearing stands and helps determine whether treatment or continued monitoring is needed.
Call our main line at 877-524-0084, find the office nearest you, or contact Hearing Care Partners to schedule an appointment.
