Why sudden deafness is a race against the clock—and why an urgent clinical triage appointment is the only way to save your hearing.

It is a terrifying experience: You go to sleep feeling completely fine, but when you wake up the next morning, you are completely deaf in one ear.
Your first instinct is usually to assume you have water trapped in your ear, or that a piece of earwax has shifted overnight. Many people in Melbourne try to "pop" their ears, put in some chemist drops, and decide to wait a few days to see if it clears up on its own.
Do not wait.
While sudden deafness is often just a harmless wall of earwax, it can also be a condition called Sudden Sensorineural Hearing Loss (SSNHL). This is considered an absolute medical emergency in the audiology world. Here is how to tell the difference, and why you have a strict 72-hour window to act.
Where is the deafness coming from?
Select a scenario to see where the deafness originates.
Outer Ear Blockage
Sound is physically blocked from entering the ear by a solid wall of wax. Fixed instantly with microsuction.
Scenario 1: The Harmless Culprit (Earwax)
In the best-case scenario, your sudden deafness is caused by earwax. When you sleep, or after you get out of the shower, a piece of hard wax can absorb moisture, expand, and shift directly against your eardrum.
Because the wax completely seals the canal, the sound is physically blocked from getting in. It feels like you have a heavy finger plugged into your ear.
The Fix: This is an easy, instant fix. At LAC Audiology, we use video otoscopy to identify the wax and gentle microsuction to instantly vacuum it out. Your hearing returns to 100% before you even leave the chair.
The 72-Hour Medical Window
For a viral nerve attack, time is the only factor that matters.
Status: Optimal Recovery
Optimal time for intervention. High-dose oral steroids prescribed by a GP have the highest chance of reducing inner-ear inflammation and saving the auditory nerve.
Scenario 2: The Medical Emergency (SSNHL)
If we look inside your ear and the canal is completely clean, you are likely experiencing Sudden Sensorineural Hearing Loss.
This occurs when a virus (often a common cold or flu virus) attacks the tiny hair cells or the auditory nerve deep inside your inner ear. Because the nerve is inflamed and damaged, the ear completely shuts down.
Why it is an emergency: The inner ear has very poor blood supply. If the nerve is deprived of oxygen and inflamed for too long, the hair cells die and the deafness becomes permanent. To save your hearing, you must be prescribed high-dose oral steroids by a GP or ENT within 72 hours of the deafness starting.
Waiting "a few days to see if it pops" is the most dangerous thing you can do.
Don't Bounce Between Clinics in an Emergency
General GP
Retail Hearing Clinic
LAC Urgent Triage
The LAC "All-In-One" Urgent Triage
If you go to a standard GP, they may look in your ear, see a bit of wax, prescribe drops, and send you home—missing the viral nerve attack entirely. If you go to a retail hearing clinic, they can't remove wax, so they will send you away.
At LAC Audiology, we provide the ultimate diagnostic safety net:
Immediate Visual Clearance: We use an HD endoscope to check for wax. If there is wax, we remove it instantly with microsuction.
Immediate Diagnostic Testing: If we remove the wax and you are still deaf, or if the ear is already clear, we immediately place you in our clinical headphones. We run a diagnostic pure-tone hearing test to confirm the nerve damage.
Fast-Tracked Medical Action: If we identify Sudden Hearing Loss, we instantly write an urgent, targeted medical report for your GP or local hospital emergency department, giving them the exact audiometric data they need to prescribe your steroids immediately.
"If you wake up deaf in one ear, do not assume it is just water or wax. You have a 72-hour window to save your hearing if it is a viral attack. We can give you the definitive answer in 30 minutes."
Don't Risk Permanent Damage.
Book a mobile clinical assessment. We use high-definition video otoscopy to check for blockages against the eardrum.
Book a Clinical AssessmentLearn about our 'No Wax, No Fee' policy