Sudden Hearing Loss

If your hearing dropped suddenly in one or both ears within the last few days, seek medical evaluation today. Contact an ENT or physician immediately; urgent care or an emergency department may be appropriate when prompt specialty care is not available. Sudden sensorineural hearing loss is treated as a medical emergency, and delays can reduce treatment options.

Waiting to see whether it clears on its own can cost valuable time.

What sudden sensorineural hearing loss is

Clinically, it is defined as a loss of at least 30 decibels across three connected frequencies occurring within 72 hours. In plain terms: hearing in an ear drops substantially and fast, usually over a few hours or overnight.

Most cases affect one ear. Many people notice it on waking. Others describe a distinct moment where sound changed, sometimes with a pop.

It commonly arrives with company: ringing in the affected ear, a sensation of fullness or pressure, and sometimes dizziness or a spinning sensation.

Why it gets missed

The plugged, full feeling that accompanies sudden hearing loss feels almost exactly like a bad head cold or a wax blockage. That resemblance costs people their hearing.

A very common sequence: the patient assumes it is congestion and waits a week. They then see a primary care provider or urgent care, who does not have audiometric equipment, sees an unremarkable eardrum, and prescribes decongestants or an antibiotic. Another week passes. By the time anyone performs a hearing test and identifies a sensorineural loss, the most effective treatment window has closed.

The distinguishing question is whether the problem is conductive or in the inner ear, and that requires prompt examination and hearing testing. Do not wait several days for sudden hearing loss to return. Ask for an audiogram and appropriate ENT evaluation as soon as possible.

What causes it

In roughly nine out of ten cases, no cause is ever identified. That is genuinely frustrating and it does not change the treatment, which proceeds without a confirmed cause.

Where a cause is found, the list includes:

  • Viral infection affecting the inner ear
  • Interruption of blood supply to the cochlea
  • Autoimmune inner ear disease
  • Head trauma or a perilymphatic fistula
  • Barotrauma from diving or air travel
  • Meniere’s disease
  • Vestibular schwannoma, which occasionally presents this way
  • Certain medications, including some chemotherapy agents
  • Neurological conditions, including multiple sclerosis

How it is treated

Corticosteroids are commonly offered for sudden sensorineural hearing loss. A physician may use oral medication, an injection through the eardrum into the middle ear, or a combination depending on timing, medical history and response.

Treatment decisions are time-sensitive. Current specialty guidance allows initial corticosteroid therapy within two weeks of symptom onset, which is why same-day evaluation matters rather than waiting to see what happens.

The medical workup may include MRI or auditory brainstem response testing to look for a problem affecting the hearing nerve. That evaluation is part of ruling out uncommon but important causes.

What recovery looks like

Some people recover fully. Some recover partially. Some do not recover.

Spontaneous recovery does happen without treatment, and that fact is precisely why waiting is so tempting and so risky. There is no way to know in advance which category you fall into, and by the time it is clear you are not recovering on your own, treatment is no longer likely to help.

Better outcomes are generally associated with less severe initial loss, earlier treatment, better hearing in the low frequencies, absence of vertigo, and younger age. None of these are guarantees in either direction.

If hearing does not come back

Permanent loss after a sudden event is manageable, and there are more options now than there were a decade ago.

If usable hearing remains in the affected ear, a conventional hearing aid is the straightforward path. If the ear has too little hearing to amplify, CROS systems route sound from that side to the functioning ear. For single-sided deafness, cochlear implantation is an established option worth discussing with a cochlear implant center.

Ringing frequently persists after sudden hearing loss and may be the more distressing symptom long-term. Persistent, one-sided, pulsatile or worsening symptoms should be discussed with the treating physician or ENT.

The functional consequences of losing an ear are covered under one-sided hearing loss, including why the remaining ear needs protecting more carefully than most people realize.

Where we fit in

We are a hearing care practice, not a medical office, and sudden hearing loss belongs with a physician first. What we can do is test quickly to document what has happened and coordinate an ENT referral, which is often what accelerates getting someone seen.

If you are past the acute phase and dealing with residual loss, that is squarely what we do. Testing, honest options, verified fittings, and follow-up.

Hearing Aid Factory Outlet is located inside Sugarloaf Mills at 5900 Sugarloaf Parkway in Lawrenceville and serves hearing-aid patients from Gwinnett County and communities throughout the Atlanta area. We are open seven days a week. Call (404) 786-6416 or schedule an appointment.

Official medical guidance: Read the NIDCD sudden deafness guide and the AAO-HNS sudden hearing loss guideline summary.

This page is general health information and is not a substitute for evaluation by a physician. Sudden hearing loss requires prompt medical attention.

Reviewed and contributed to by Gwen Cantrell, BC-HIS, CDP
Board Certified Hearing Instrument Specialist • Georgia-licensed Hearing Aid Dispenser