Most hearing loss develops gradually, sometimes so slowly that a partner or family member notices it first. A sudden change in hearing needs a different response: seek urgent medical assessment. Recognising the symptoms and acting promptly can help you access treatment without delay.
Sudden hearing loss can feel like a blocked ear or ordinary congestion, making it tempting to wait a few days. However, the cause cannot be identified from that sensation alone. Do not assume a sudden change is simply earwax or something that will settle by itself.
What Counts as Sudden Hearing Loss?
Sudden sensorineural hearing loss, or SSNHL, is a rapid reduction in hearing caused by a problem in the inner ear or hearing nerve. It develops over 72 hours or less and often affects one ear. You do not need to measure the change yourself before seeking urgent medical help.
You may wake up and find that you cannot hear clearly from one ear, or notice a sudden difficulty hearing during a phone call. Some people also experience tinnitus, dizziness or a popping sensation. Symptoms alone cannot reliably distinguish SSNHL from other causes of hearing loss.
Sudden Hearing Loss Symptoms to Watch For
A few key signs should prompt you to act immediately rather than wait and see:
- A sudden reduction in hearing in one or both ears, including a change first noticed on waking.
- A blocked or ‘underwater’ sensation, or suddenly muffled hearing.
- Sudden-onset tinnitus (ringing or buzzing), particularly alongside hearing changes.
- Dizziness or a spinning sensation (vertigo).
- A popping sound immediately before your hearing changes.
Why Prompt Assessment Matters
Sudden sensorineural hearing loss may require time-sensitive treatment. Some people recover some hearing, but it is not possible to predict recovery without assessment, and waiting can delay appropriate care. Seek urgent medical help rather than relying on home remedies or waiting to see whether it improves.
What to Do If This Happens to You
If your hearing suddenly drops in one or both ears, seek urgent medical help immediately. Contact your GP for an urgent appointment or call NHS 111, explaining clearly that your hearing changed suddenly. If you cannot access urgent assessment promptly, go to A&E. Do not wait for a routine hearing test. NICE recommends that adults whose unexplained hearing loss developed over three days or less within the past 30 days are referred immediately to an ENT service or an emergency department, to be seen within 24 hours.
A clinician will examine your ears and assess your symptoms. If sudden sensorineural hearing loss is suspected, corticosteroid treatment may be considered. Your medical team will explain whether treatment is appropriate and how it would be given.
What Causes It?
In many cases, no clear cause is identified. A specialist assessment helps investigate possible causes and decide whether further tests are needed. The findings guide treatment and follow-up.
Where Audiology Fits In
Audiology supports the medical assessment and follow-up. A detailed hearing test measures the degree and pattern of hearing loss, giving your medical team information to guide care and monitor changes.
If hearing loss persists, your audiologist can discuss appropriate rehabilitation, which may include hearing aids or other support. Recommendations should reflect your hearing test results, medical advice and everyday listening needs.
How Hear with Ish Can Help
Sudden hearing loss needs urgent medical assessment. Contact your GP urgently, call NHS 111 or attend A&E if prompt assessment is unavailable. Following medical assessment, Hear with Ish can help with hearing tests, monitoring and suitable hearing support, working alongside your GP or ENT team where appropriate.
To arrange a follow-up hearing assessment after medical review, contact Hear with Ish. We will take time to understand your needs and discuss the next steps for your hearing care.
