What Is Conductive Hearing Loss? Symptoms, Causes, Diagnosis & Treatment Explained
Updated: 3 days ago
Medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: October 2026
Quick Answer
Conductive hearing loss is hearing loss in which sound is physically blocked on its way to the inner ear, so louder sounds are muffled and softer sounds may be inaudible. It can affect one or both ears and is most common in young children. Most cases can be corrected once the cause is found; untreated, it can become permanent. [1]
What the research says
Conductive loss accounts for most childhood hearing loss in some populations. According to PubMed, a cross-sectional study of 644 school-aged children in Nunavut, Canada found hearing loss of 30 dB HL or more in 124 children (19.3%), and 93.5% of that loss was conductive. Tympanic membrane perforations were present in 36.8% of children with unilateral loss and 45.8% with bilateral loss. The authors note the prevalence was almost three times that reported for non-indigenous children, so this is a high-risk population. (Fitzpatrick et al., Int J Audiol, 2021)
Surgery can restore the sound pathway, even after a first operation fails. A meta-analysis of revision stapes surgery for otosclerosis (19 studies, 2,602 patients) found that 57.2% reached an air-bone gap under 10 dB and 79% under 20 dB, with only 1.2% "dead ears". Revision surgery closed the gap to under 10 dB less often than first-time surgery (OR 0.36). (Tomasoni et al., Otolaryngol Head Neck Surg, 2025)
Different surgical tools gave similar hearing results. A meta-analysis of four studies with 1,540 patients comparing CO2 laser and microdrill stapedotomy found no significant difference in post-operative hearing or sensorineural hearing loss, while post-operative vertigo was more common with the microdrill (OR 2.54, p = 0.02). (Jamileh et al., ORL J Otorhinolaryngol Relat Spec, 2025)
Key Takeaways
What it is: Sound can't reach the inner ear because of blockages, infections or structural issues.[1]
Other names: Conductive hearing impairment, conduction deafness.[1]
Who it affects: The most common cause of hearing loss in young children; adults can get it too.[1]
Severity: Temporary or permanent; mild to severe.[1]
Types: Unilateral (one ear) or bilateral (both ears).[1]
Top symptoms: Muffled hearing, ear pain, ear pressure, popping or ringing, and balance issues.[1]
Top causes: Ear infections, earwax, foreign objects, fluid, Eustachian tube dysfunction, otosclerosis, a ruptured eardrum and growths.[1]
Treatment: Active surveillance, hearing aids, medication (ear drops or pills) and surgery.[1]
Prevention: Avoid inserting objects in the ear, treat ear infections promptly, and have regular hearing tests.[1]
What Is Conductive Hearing Loss?
Conductive hearing loss occurs when sounds can't reach your inner ear. Several things can cause it, including ear infections, blockages and structural issues. As a result, louder sounds might be muffled, and you may not be able to hear softer sounds at all. Other names for this condition include conductive hearing impairment or conduction deafness.[1]
Conductive hearing loss is the most common cause of hearing loss in young children. In one study, researchers found that 19% of schoolchildren from kindergarten to grade 6 had some type of hearing loss, and among these cases, 93% were due to conductive hearing impairment.[1] That study assessed 644 children in the Canadian Arctic, a population with higher rates of hearing loss than other groups, so the percentages should not be read as typical for every community.[2]
Though conductive hearing loss is most common in children, adults can get it too. It can be temporary or permanent and range from mild to severe. In most cases, treatment can correct it.[1]
Types of conductive hearing loss
Symptoms of Conductive Hearing Loss
Conductive hearing loss symptoms can include:[1]
Balance issues: Caused by problems with the vestibular system in your inner ear.
Ear pain: Discomfort or aching in one or both ears.
Ear pressure: A feeling of fullness or pressure in the ear.
Ear popping or ringing: Popping sensations or ringing (tinnitus) in the ear.
Muffled hearing: Muffled hearing in one or both ears. Louder sounds seem muffled, and softer sounds may be inaudible.
Voice sounds louder: Noticing that your own voice sounds louder than usual.
Because conductive hearing loss results from a physical barrier rather than nerve damage, people often notice their own voice sounding unusually loud inside their head. This can be a clue that points toward a conductive problem, and tuning fork tests help your provider confirm the type of hearing loss.
What Causes Conductive Hearing Loss?
Conductive hearing loss happens when sound can't reach your cochlea, the part of your inner ear responsible for hearing. There are many reasons, both simple and complex, why sounds might not reach your inner ear.[1]
Blockages from stuck objects: Foreign objects physically obstruct the ear canal.
Ear infections (especially chronic ones): Inflammation and fluid prevent sound conduction.
Ear tumors, cysts or growths such as cholesteatoma: Growths occupy space and block the sound pathway.
Earwax buildup: Compacted wax physically blocks the ear canal.
Eustachian tube dysfunction: Pressure and drainage problems affect the middle ear.
Fluid in the middle ear from colds: Fluid dampens sound vibrations.
Otosclerosis: Abnormal bone growth in the ear restricts the tiny hearing bones.
Ruptured eardrum: A torn eardrum cannot transmit sound efficiently.
Among children, the most common causes of conductive hearing loss include chronic ear infections and foreign objects in the ear canal. In adults, conductive hearing loss is usually a result of an ear injury or health condition.[1]
Risk factors
Some things increase your risk for conductive hearing loss. The following conditions could cause permanent hearing impairment if left untreated:[1]
Ear abnormalities: Microtia, atresia (a missing or underdeveloped ear canal) and other ear abnormalities can result in conductive hearing loss.
Chronic ear infections: Fluid buildup in the middle ear that doesn't go away increases risk.
Structural damage: An ear injury or otosclerosis can damage the ossicles, the three tiny bones in your ear that help you hear.
How Is Conductive Hearing Loss Diagnosed?
A healthcare provider, usually an otolaryngologist, will do a physical examination. During this visit, they'll ask about your symptoms and medical history. They might ask questions like:[1]
When did you first start to lose your hearing?
Was it sudden or gradual?
Is one side worse than the other?
Do you have a history of ear infections?
Do you have any ear pain, pressure or ringing in the ears?
Do any of your biological family members have hearing loss?
Your healthcare provider will look at the outside of your ear and feel around the area. They'll use a lighted instrument called an otoscope to view the inside of your ear, looking for any blockages or structural abnormalities.[1]
What tests will be done?
After a physical exam, an otolaryngologist or audiologist will need to run hearing tests, which may include:[1]
Acoustic reflex test: Measures the tightness of a small muscle in your middle ear (the stapedial muscle) in response to loud sounds.
Bone conduction test: Sends sound directly to your inner ear and helps determine which type of hearing loss you have.
Otoacoustic emissions (OAEs): Measures sound-related vibrations from your inner ear and can show whether you have a blockage.
Pure-tone audiometry: Determines the quietest sounds you can hear at different pitches.
Speech audiometry: Tests your word recognition and records the softest speech you can repeat.
Tuning fork exams (Rinne test, Weber's test): Determine whether you have conductive or sensorineural hearing loss.
Tympanometry: Shows how well your eardrum moves in response to sounds.
In addition to hearing tests, your healthcare provider may need to do a cranial nerve exam, a head and neck exam, and an MRI (magnetic resonance imaging) or CT scan (computed tomography scan).[1]
Conductive Hearing Loss Treatment Options
The treatment that's right for you depends on what caused your hearing loss. Depending on your situation, conductive hearing loss treatments might include:[1]
Active surveillance: Your provider may start with "watchful waiting," monitoring your hearing loss over time. If it worsens, they'll design a treatment plan.
Hearing aids: Hearing aids and other assistive listening devices amplify and change sounds so you can hear them better.
Medications: If an infection or similar condition caused the hearing loss, your provider can prescribe medication in ear drops or pill form.
Surgery: If a cyst, tumor or another growth keeps sound from reaching your inner ear, a surgeon may remove the growth. Surgery can also repair damaged ossicles, the tiny bones inside your ear.
Outlook, Prevention and Living With Conductive Hearing Loss
What's the outlook?
The outlook is generally good with treatment. Medication, hearing aids or surgery can improve or correct most cases of conductive hearing loss.[1]
Can conductive hearing loss be prevented?
You can't always prevent conductive hearing loss, especially when abnormal bone growth or a structural issue inside your ear causes it. But you can reduce your risk by following these guidelines:[1]
Don't stick anything in your ear canal, including cotton swabs.
If you get an ear infection, treat it promptly.
See your healthcare provider for regular hearing tests.
When should you see your healthcare provider?
Tell your healthcare provider right away if you have hearing loss that gets worse, sudden hearing loss (especially in one ear), or symptoms in addition to hearing loss, like ear pain, headaches, numbness or weakness.[1] For a broader overview, see our guide to hearing loss.
What questions should you ask your doctor?
What type of treatment do I need?
What results can I expect from treatment?
How often will I need follow-up visits?
Could my hearing eventually get worse?
What resources do you recommend?
Conclusion
Conductive hearing loss is one of the most treatable forms of hearing impairment because the problem lies in sound's physical pathway, not in the delicate nerve structures of the inner ear. When sound waves are blocked by earwax, fluid, a foreign object, a ruptured eardrum, abnormal bone growth or a growth in the ear, the result is muffled louder sounds and softer sounds that may be inaudible altogether.
The condition is far more than a childhood ailment, but its footprint in young populations is remarkable: in one study of children in the Canadian Arctic, 19% had some hearing loss, and 93% of those cases were conductive. In adults, injuries and health conditions take the lead as causes.
Diagnosis is straightforward. A physical exam, an otoscope inspection and a battery of hearing tests (tuning fork exams, tympanometry, audiometry, otoacoustic emissions and bone conduction testing) help pinpoint whether the problem is conductive or sensorineural and where the blockage lies. Treatment follows the cause: watchful waiting for cases likely to resolve on their own, medications for infections, hearing aids when amplification is needed, and surgery to remove growths or repair the ossicles.
Left untreated, conductive hearing loss can become permanent, which makes early attention essential. If you notice muffled hearing, ear pain, pressure, ringing or balance issues that persist, arrange a visit with your healthcare provider. The quicker you find out what's causing it, the better chance you have of getting your hearing back.
If clear visual explanations of hearing conditions would help you or your family understand diagnosis results and treatment options, explore Rinnit's infographic templates, designed to turn complex medical information into clear, shareable visuals.
Frequently Asked Questions
What is conductive hearing loss?
Conductive hearing loss occurs when sounds can't reach your inner ear due to ear infections, blockages or structural issues. As a result, louder sounds might be muffled and softer sounds may be inaudible.[1]
What are other names for conductive hearing loss?
It is also called conductive hearing impairment or conduction deafness.[1]
Is conductive hearing loss the most common type of hearing loss in children?
It is the most common cause of hearing loss in young children. In one study of 644 children in the Canadian Arctic, 19% had hearing loss and about 93% of those cases were conductive. Rates in that population were higher than in many others.[1][2]
Can adults get conductive hearing loss?
Yes. Though it is most common in children, adults can get it too, usually from an ear injury or health condition.[1]
Is conductive hearing loss temporary or permanent?
It can be temporary or permanent and range from mild to severe. In most cases, treatment can correct it.[1]
What is unilateral conductive hearing loss?
Unilateral conductive hearing loss affects one ear.[1]
What is bilateral conductive hearing loss?
Bilateral conductive hearing loss affects both ears.[1]
What does conductive hearing loss sound like?
Louder sounds are muffled, and you may not be able to hear softer sounds at all. You may also notice that your own voice sounds louder.[1]
What are the symptoms of conductive hearing loss?
Balance issues, ear pain, ear pressure, ear popping or ringing, muffled hearing in one or both ears, and noticing that your own voice sounds louder.[1]
Why does conductive hearing loss cause balance issues?
Balance issues are linked to problems with the vestibular system in the inner ear.[1]
What causes conductive hearing loss?
It happens when sound can't reach the cochlea, the inner ear structure responsible for hearing. Causes include blockages, infections, growths, earwax, fluid, Eustachian tube dysfunction, otosclerosis and a ruptured eardrum.[1]
What is the cochlea?
The cochlea is the part of your inner ear responsible for hearing. It converts sound vibrations into signals the brain interprets.[1]
Can a stuck object cause conductive hearing loss?
Yes. Blockages from stuck objects in the ear canal prevent sound from reaching the inner ear.[1]
Do ear infections cause conductive hearing loss?
Yes, especially chronic ear infections. Among children, chronic ear infections and foreign objects in the ear canal are the most common causes.[1]
Can earwax cause hearing loss?
Yes. Earwax buildup physically blocks the ear canal.[1]
What is Eustachian tube dysfunction?
It is a problem with the tube that connects the middle ear to the throat, which can cause pressure, fluid and hearing problems. It is one cause of conductive hearing loss.[1]
Can a cold cause conductive hearing loss?
Yes. Fluid in the middle ear from a cold can dampen sound conduction.[1]
What is otosclerosis?
Otosclerosis is abnormal bone growth in your ear. It can damage the ossicles and cause conductive hearing loss.[1]
What are ossicles?
The ossicles are three tiny bones in your ear that help you hear.[1]
Can a ruptured eardrum cause conductive hearing loss?
Yes. A ruptured eardrum cannot transmit sound efficiently.[1]
Can tumors or cysts cause conductive hearing loss?
Yes. Ear tumors, cysts or other growths such as cholesteatoma can keep sound from reaching the inner ear.[1]
What is cholesteatoma?
Cholesteatoma is a type of abnormal growth in the ear that can keep sound from reaching the inner ear.[1]
What causes conductive hearing loss in adults?
In adults, it is usually a result of an ear injury or health condition.[1]
What increases the risk of permanent hearing impairment?
Ear abnormalities (microtia, atresia), chronic ear infections with fluid that doesn't go away, and structural damage from an ear injury or otosclerosis, if left untreated.[1]
What is microtia?
Microtia is an ear abnormality in which the outer ear is small or underdeveloped. It can result in conductive hearing loss.[1]
What is atresia of the ear?
Atresia is a missing or underdeveloped ear canal, which can cause conductive hearing loss.[1]
Who diagnoses conductive hearing loss?
A healthcare provider, usually an otolaryngologist, performs a physical examination. An otolaryngologist or audiologist then runs hearing tests.[1]
What questions will the doctor ask?
When your hearing loss started, whether it was sudden or gradual, whether one side is worse, your history of ear infections, ear pain, pressure or ringing, and whether biological family members have hearing loss.[1]
What is an otoscope?
A lighted instrument used to view the inside of your ear, looking for blockages or structural abnormalities.[1]
What is an acoustic reflex test?
A hearing test that measures the tightness of a small muscle in your middle ear (the stapedial muscle) in response to loud sounds.[1]
What is a bone conduction test?
A test that sends sound directly to your inner ear and helps determine which type of hearing loss you have.[1]
What are otoacoustic emissions (OAEs)?
A test that measures sound-related vibrations from your inner ear and can show whether you have a blockage.[1]
What is pure-tone audiometry?
A test that determines the quietest sounds you can hear at different pitches.[1]
What is speech audiometry?
A test that checks your word recognition and records the softest speech you can repeat.[1]
What are tuning fork exams?
Tests such as the Rinne test and Weber's test that help determine whether you have conductive or sensorineural hearing loss.[1]
What is tympanometry?
A test that shows how well your eardrum moves in response to sounds.[1]
Are MRI or CT scans used to diagnose conductive hearing loss?
They may be. In addition to hearing tests, your provider may do a cranial nerve exam, a head and neck exam, and an MRI or CT scan.[1]
How is conductive hearing loss treated?
Treatment depends on the cause and may include active surveillance, hearing aids, medications or surgery.[1]
What is active surveillance for hearing loss?
"Watchful waiting." Your provider monitors your hearing loss over time and designs a treatment plan if it worsens.[1]
Can hearing aids treat conductive hearing loss?
Hearing aids and other assistive listening devices can amplify and change sounds so you can hear them better.[1]
Are medications used for conductive hearing loss?
If an infection or similar condition caused the hearing loss, your provider can prescribe medication in ear drops or pill form.[1]
Is surgery an option for conductive hearing loss?
Yes. A surgeon may remove cysts, tumors or growths that block sound, and surgery can also repair damaged ossicles.[1] Studies of stapes surgery for otosclerosis report good hearing results in many patients.[3]
What is the outlook for conductive hearing loss?
Generally good with treatment. Medication, hearing aids or surgery can improve or correct most cases.[1]
Can conductive hearing loss be prevented?
Not always, especially when abnormal bone growth or a structural issue causes it. You can reduce your risk by avoiding objects in your ear canal, treating ear infections promptly and getting regular hearing tests.[1]
Should I put cotton swabs in my ears?
No. Don't stick anything in your ear canal, including cotton swabs.[1]
When should I see my healthcare provider?
Right away if hearing loss gets worse, if you have sudden hearing loss (especially in one ear), or if you have symptoms such as ear pain, headaches, numbness or weakness along with hearing loss.[1]
What questions should I ask my doctor?
What treatment do I need, what results can I expect, how often will I need follow-up visits, could my hearing eventually get worse, and what resources do you recommend.[1]
Will my hearing eventually get worse?
That depends on the cause and whether it is treated. Left untreated, conductive hearing loss can lead to permanent hearing impairment, so follow-up and monitoring matter.[1]
Can conductive hearing loss be corrected?
In most cases, yes. Treatment can improve or correct it, and the quicker you find out what's causing it, the better chance you have of getting your hearing back.[1]
How is conductive hearing loss different from sensorineural hearing loss?
Conductive hearing loss means sound can't reach the inner ear because of a blockage or structural problem. Sensorineural hearing loss involves damage to the inner ear or its nerve pathways, and tuning fork exams help providers tell the two apart.[1]
Related Reading
Hearing Loss: Symptoms, Causes, and Treatment Options — an overview of the types and causes of hearing loss.
Ear Infections: Symptoms, Causes, and Treatment — a leading cause of conductive hearing loss in children.
Earwax Blockage: Symptoms, Causes, and Treatment — how wax can block the ear canal.
Eustachian Tube Dysfunction: Symptoms, Types, Causes, Diagnosis, Treatment and Outlook — What You Need to Know — pressure and fluid problems in the middle ear.
Cholesteatoma: What This Ear Growth Is, How It's Found, and How It's Removed — a growth that can block sound.
Otosclerosis: Symptoms, Causes, and Management Strategies — abnormal bone growth that restricts the hearing bones.
Ruptured Eardrum: Symptoms, Causes, and Treatment — signs of a torn eardrum and how it heals.
Understanding Microtia: Causes, Grades, and Treatment Options — an underdeveloped outer ear.
Ear Injuries and Trauma: Why Your Ears Can Get Hurt and What to Do About It — injuries that can affect hearing.
Vestibular System: The Science of Balance and Spatial Orientation — how the inner ear supports balance.
What Is the Common Cold? Symptoms, Causes, Diagnosis and Treatment — why colds can lead to fluid in the ears.
Hearing Test: What It Is, Why It's Done, Types, What to Expect and Results explains the hearing tests used to measure the type and degree of hearing loss.
Tympanometry: What It Is, How It's Done and What Tympanogram Results Mean explains the quick middle ear test that can point to this condition.
Weber Test for Hearing Loss: How It's Done and What Results Mean explains the tuning fork test that helps tell conductive from sensorineural hearing loss.
References
Cleveland Clinic. Conductive Hearing Loss. Cleveland Clinic. Medically reviewed; last updated November 4, 2024. https://my.clevelandclinic.org/health/diseases/conductive-hearing-loss
Fitzpatrick EM, McCurdy L, Whittingham J, et al. Hearing loss prevalence and hearing health among school-aged children in the Canadian Arctic. Int J Audiol. 2021;60(7):521-531. PMID 32180475. https://doi.org/10.1080/14992027.2020.1731616
Tomasoni M, Borsetto D, Canzi P, et al. Indications, surgical strategies and hearing outcomes of revision stapes surgery for otosclerosis: a systematic review and meta-analysis on 2602 patients. Otolaryngol Head Neck Surg. 2025;172(1):50-62. PMID 39308177. https://doi.org/10.1002/ohn.974
Jamileh E, Akhtar Z, Gire N, et al. Comparing CO2 laser and microdrill in primary stapedotomy: a systematic review and meta-analysis of post-operative hearing outcomes and complications. ORL J Otorhinolaryngol Relat Spec. 2025;87(2-3):133-142. PMID 40403711. https://doi.org/10.1159/000546504
Medical disclaimer
This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition or before starting or changing any treatment plan. If you experience sudden hearing loss, especially in one ear, or hearing loss with ear pain, headaches, numbness or weakness, seek prompt medical care.
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