Conductive Hearing Loss: The Kind That Can Often Be Fixed
Conductive hearing loss happens when sound can't travel properly through the outer or middle ear to reach a healthy inner ear. Unlike nerve-related hearing loss, it can often be treated and sometimes reversed completely. Here are the main causes and what doctors do about each.
How it differs from sensorineural loss
Sound travels down the ear canal, vibrates the eardrum, and passes through three tiny bones in the middle ear before reaching the cochlea. A problem anywhere in that path, before the cochlea, causes conductive loss. Damage to the cochlea or the hearing nerve causes sensorineural loss, which is usually permanent. Some people have both, called mixed hearing loss.
With conductive loss, sounds seem quieter but usually not distorted, and your own voice may sound louder or echoey. The American Speech-Language-Hearing Association has a good overview of the signs.
Common causes and treatments
| Cause | Typical signs | Usual treatment |
|---|---|---|
| Earwax plug | Fullness, muffled sound, often one ear | Softening drops, irrigation or removal by a clinician |
| Fluid behind the eardrum | Dull hearing after a cold, popping | Often clears in weeks; tubes if it persists in children |
| Middle ear infection | Pain, fever, muffled hearing | Pain relief, sometimes antibiotics |
| Outer ear infection | Pain when the ear is touched, discharge | Antibiotic or antifungal ear drops |
| Hole in the eardrum | Sudden pain then relief, discharge, hearing drop | Most heal in weeks; surgery if not |
| Otosclerosis | Slowly worsening hearing, often both ears, family history | Hearing aids or stapes surgery |
| Objects or growths in the canal | Blockage, sometimes pain | Removal by a clinician |
Earwax and fluid: the everyday causes
Earwax is the single most common cause and the easiest to fix. Clinical guidelines advise against cotton swabs and ear candling, and recommend softening drops or professional removal. Fluid behind the eardrum is very common in children after colds and usually clears on its own. The NIDCD guide to ear infections in children explains when tubes are considered.
Otosclerosis
Otosclerosis is abnormal bone growth that stiffens the stapes, the smallest bone in the middle ear, so it can't pass vibrations to the cochlea. It often starts in young or middle adulthood and runs in families. Hearing aids work well, and a stapedectomy or stapedotomy, in which a surgeon replaces part of the bone with a tiny prosthesis, can restore hearing in many people. The NIDCD's otosclerosis page describes both options.
How it's diagnosed
A doctor looks into the ear with an otoscope, which often reveals wax, fluid or a perforation straight away. A hearing test compares how well you hear sound through the air with sound sent directly through the bone behind the ear. If bone conduction is normal but air conduction is reduced, the problem is conductive. A tympanometry test measures how well the eardrum moves. Our guide on preparing for a hearing test explains these tests.
Home care, and its limits
You can safely soften wax with a few drops of mineral oil or an over-the-counter softener, and manage cold-related pressure with swallowing and yawning. Anything with pain, discharge, fever or a sudden drop in hearing needs a doctor. If one ear suddenly sounds muffled without a clear reason, read muffled hearing in one ear and get checked within days, since sudden nerve-type hearing loss can feel the same.
Where supplements fit
Supplements don't clear wax, drain fluid or fix the middle ear bones, so they don't treat conductive loss. Some people take them for general ear health alongside proper care; our Audifort review covers one such product.
Conductive loss in children
Children get conductive hearing loss far more often than adults, mostly from fluid after ear infections. It is easy to miss: a child may seem inattentive, turn the TV up, speak less clearly or fall behind in class. Most fluid clears within three months. If it doesn't, or hearing tests show a real drop, small ventilation tubes in the eardrum can drain the middle ear and bring hearing back almost immediately. Any parent who suspects a child isn't hearing well should ask for a hearing test, since speech and learning depend on it.
When surgery makes sense
Surgery is reserved for problems that won't heal or clear on their own: an eardrum hole that persists after a few months (repaired with a graft, called tympanoplasty), otosclerosis that bothers you more than a hearing aid would, chronic infections that damage the middle ear bones, or a cholesteatoma, an abnormal skin growth behind the eardrum. Results are often good because the inner ear is healthy.
Questions readers ask
Is conductive hearing loss permanent?
Often not. Wax, fluid, infections and many eardrum holes clear up or can be treated, and hearing returns. Otosclerosis and some chronic problems are long-term but treatable with surgery or hearing aids.
How can I tell if my hearing loss is conductive?
Only a hearing test can say for sure. A clue at home: if humming sounds louder in the ear that hears worse, the problem may be conductive.
Do hearing aids work for conductive hearing loss?
Yes, often very well, because the inner ear is healthy. Bone-conduction devices are an option when a regular aid can't be worn.