How Serious Is Sudden Hearing Loss? The Truth About SSHL
How serious is sudden hearing loss? It is more serious that you might think, which is why so many people overlook it. Sudden sensorineural hearing loss, more commonly known as SSHL is a sudden drop in hearing that develops over a few hours or days.
If you have noticed a rapid decline in your hearing, here’s why you should get it checked right away, rather than waiting to see if it improves.
What Is SSHL?
SSHL stands for sudden sensorineural hearing loss, a sudden and often significant drop in hearing caused by damage somewhere along the inner ear or the nerve pathway to the brain, rather than a blockage in the outer or middle ear.
It typically affects one ear only, comes on within a matter of hours to a few days, and is frequently accompanied by muffled hearing, a feeling of fullness, ringing, or mild dizziness. Because it can feel similar to a blocked ear or the aftermath of a cold, many people put off getting it checked, which is one of the main reasons it often goes untreated for longer than it should.
Why Is SSHL Considered a Medical Emergency?
Sudden hearing loss is treated as a medical emergency because how quickly it is treated has a direct impact on how much hearing comes back. Steroid treatment, the main option here, works best when started as soon as possible. Delaying treatment by more than two to four weeks makes it far less likely that hearing will be reversed or reduced. In other words, the opportunity to save your hearing and give it the best chance of recovery is limited, so don’t treat sudden hearing loss as a wait and see situation.
What Causes SSHL?
For around 90 percent of people, no clear cause is ever identified, which can be frustrating but does not change how important early treatment is. Where a cause is found, it is often linked to a viral infection, an autoimmune condition, a head injury, certain medications that affect the inner ear, poor blood flow to the ear, or an underlying inner ear condition such as Meniere’s disease. Knowing the exact cause matters less in the short term than getting treatment started, since the approach to early management is largely the same regardless of what triggered it.
Common Signs to Watch For
- Sudden drop in hearing, often noticed the moment you wake up or shortly after a specific event, though it can develop gradually across a couple of days.
- Muffled hearing is one of the most common early descriptions people give, alongside a blocked or full feeling in the ear.
- Ringing or buzzing.
- Dizziness or a loss of balance.
If you notice any of these, particularly in one ear only, it is worth getting checked immediately rather than assuming it is wax, a cold, or something that will settle on its own.
How Is Sudden Hearing Loss Treated?
Corticosteroids are the standard treatment, either taken orally or delivered directly into the middle ear, and they work by reducing inflammation around the inner ear. Around half of all cases improve at least partially on their own within one to two weeks, but that statistic should not be mistaken for a reason to wait. A hearing test is also an important part of the process, since it confirms the diagnosis, records the extent of the loss, and gives your audiologist or doctor a clear picture to track recovery against.
What Should You Do If It Happens to You?
If you notice a sudden drop in hearing, particularly in one ear, treat it the same way you would any other medical emergency and seek attention straight away. A same day hearing test gives you a clear, documented baseline and helps rule out more straightforward causes like wax buildup, while also flagging early if something more urgent, such as SSHL. Acting within the first day or two, rather than the first few weeks, is what genuinely gives you the best odds of keeping as much of your hearing as possible.
Getting Checked Without Delay
Sudden hearing loss is uncommon, but it is serious enough that acting quickly matters more than almost any other hearing related decision you will make. If your hearing has changed suddenly, in one ear or both, do not wait to see if it improves on its own.
The team at Hearing Matters can carry out an urgent, obligation free hearing assessment, explain exactly what is happening with your hearing, and help you get the right referral quickly if SSHL or something else needs specialist attention.