Hearing Loss: Symptoms, Genetic Risks, and Treatment Options

Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

This article is part of the PlexusDx Education Hub — your resource for evidence-based guidance on genetics & health. Browse all Genetics & Health education

Hearing loss rarely arrives all at once. It often starts as a buzzing or ringing in one ear, or a sense that low, muffled sounds are harder to catch than they used to be. One frequent and often overlooked cause is otosclerosis, an abnormal growth of bone in the middle ear that gradually interferes with how sound reaches the inner ear. Understanding the symptoms, the risk factors, and the genetic threads behind hearing loss can help you notice changes early and have a more informed conversation with a hearing specialist.

How Hearing Loss Presents

Hearing loss can be conductive (a mechanical problem moving sound through the ear), sensorineural (a problem in the inner ear or auditory nerve), or a mix of both. Common early signs include difficulty following conversation in noisy rooms, turning up the volume more than others prefer, ringing in the ears (tinnitus), and asking people to repeat themselves. Many people adapt so gradually that months pass before they recognize a pattern. Because the causes and the appropriate next steps differ, a formal hearing evaluation — not self-diagnosis — is the right starting point.

Otosclerosis: When Bone Growth Affects Hearing

Otosclerosis centers on the stapes, the tiny stirrup-shaped bone that vibrates to pass sound into the inner ear. In otosclerosis, excess bone forms around the stapes and stiffens it, so it no longer moves freely when sound waves arrive. The result is progressive, usually conductive hearing loss that tends to begin in one ear before involving both. People may also notice tinnitus, a sensation of imbalance, and particular difficulty hearing quiet or low-pitched sounds. Symptoms sometimes intensify during pregnancy, which points toward hormonal and biological influences layered on top of the structural change.

The Genetics of Hearing Loss

Genetics contributes to many forms of hearing loss. The most widely studied gene is GJB2, which encodes connexin 26, a protein that helps recycle potassium ions in the inner ear; variants in GJB2 are the single most common inherited cause of non-syndromic sensorineural hearing loss worldwide. Age-related decline has been linked to variants in KCNQ4, a potassium-channel gene important for the survival of sensory hair cells. For otosclerosis specifically, research has pointed to variants in TGFB1 (a growth factor that governs bone remodeling) and the RELN gene, along with collagen genes such as COL1A1 that influence how bone tissue forms. Otosclerosis clearly runs in families, but no single dominant genetic model fully explains it — it appears to reflect several genes interacting with environmental and hormonal factors.

Risk Factors Beyond Genes

Otosclerosis most often begins in young adulthood, affects women somewhat more than men, and is more common in people of Caucasian ancestry. A family history raises the odds. Hearing loss more broadly is also shaped by cumulative noise exposure, certain infections, some medications, and normal aging of the cochlea. These influences do not act in isolation; genetic susceptibility can make the ear more or less resilient to the same lifetime of sound. That interaction between inherited biology and environment is exactly why two people with similar histories can end up with very different hearing.

How Hearing Loss Is Evaluated and Managed

Only a qualified clinician can evaluate hearing loss and discuss options. Evaluation typically starts with a hearing test (audiogram) and an ear exam. Depending on the cause and severity, a provider may discuss approaches ranging from hearing aids that amplify sound in mild-to-moderate loss, to medical options studied for slowing certain cases, to surgical procedures such as stapedectomy, in which the fixed stapes is replaced with a prosthesis. The right path is individual and belongs to a conversation with an audiologist or ENT physician. Early detection matters: people with a family history benefit from periodic hearing checks so changes are caught while more options remain open.

What Genetic Insight Adds to the Picture

Genetics is a guide, not a guarantee. Knowing that variants in genes like GJB2, KCNQ4, or TGFB1 shape inner-ear and bone-remodeling biology does not tell you what treatment to pursue — that stays with your provider — but it can add useful context about the biological systems involved and prompt earlier, more proactive monitoring. The Precision Peptide Genetic Test looks at your DNA across 14 pathways, 49 peptides, 150+ genetic insights, mapping the pathways behind traits and tendencies rather than delivering a diagnosis. PlexusDx tells you about your biology; it does not tell you what to put in your body. That distinction is the point: insight first, decisions with a clinician second.

Frequently Asked Questions

Is otosclerosis-related hearing loss genetic?

Otosclerosis often runs in families, and studies have linked it to variants in genes such as TGFB1, RELN, and collagen genes like COL1A1. No single gene fully explains it, though. It appears to reflect several genes interacting with hormonal and environmental factors over time.

Can a genetic test tell me if I will lose my hearing?

No. Genetic testing does not diagnose or predict hearing loss. It offers pathway-level context about inner-ear and bone-remodeling biology — genes like GJB2 and KCNQ4 — that you can discuss with a provider. Hearing loss is evaluated with an audiogram and clinical exam, not a DNA test.

What are the early signs of otosclerosis?

Early otosclerosis usually causes gradual hearing loss beginning in one ear, ringing or buzzing (tinnitus), and trouble hearing quiet or low-pitched sounds. Some people notice mild balance changes, and symptoms can intensify during pregnancy. Because the onset is slow, a formal hearing test is the reliable way to confirm it.

Does everyone with a family history need testing?

Not necessarily, but a family history of hearing loss is a good reason to schedule periodic hearing checks so any change is caught early. Genetic insight can add biological context to that conversation, while an audiologist or ENT physician determines the appropriate evaluation and options for you.

Curious how your own biology fits the picture? Take the Precision Peptide Genetic Test to see pathway-level context drawn from your DNA — then bring those insights to a conversation with your provider. Test before you invest.

This article is part of the PlexusDx Education Hub. Browse all Genetics & Health education

The Precision Peptide Genetic Test analyzes how your genes influence peptide-related biological pathways. It does not recommend, prescribe, or determine which peptides you should use, and it does not diagnose, treat, cure, or prevent any condition. Consult a qualified healthcare provider before beginning any peptide protocol or making changes to your care.

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.