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Noise-induced hearing loss

Noise-induced hearing loss happens when loud sound damages the delicate hair cells in your inner ear. It can come from one very loud event, or build up over years of exposure. Once done, the damage is usually permanent, which makes it almost entirely preventable the thing worth knowing.

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A typical noise-induced hearing loss pattern on a hearing chart Hearing dips sharply around four thousand hertz and recovers slightly above it, producing the notch shape characteristic of noise damage. 02040 6080100 Quieter you can hear (dB) 2505001k 2k4k8k Pitch, low to high (Hz) Normal hearing The noise notch better either side of it
Noise damage has a recognisable shape. It dips around 4kHz and recovers above it, which is what separates it from the steady slope of age-related loss. A full hearing test shows which pattern you have, and very often it is both.
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Where it comes from

The usual suspects, at work and at play.

Workplace noise

Construction, manufacturing and other industrial environments are common sources.

Loud music

Concerts, festivals and clubs. Even occasional exposure adds up over time.

Personal headphones

Regularly listening at high volume, especially over long periods.

Power tools and DIY

Drills, saws and other loud equipment used without hearing protection.

Your rights at work.

If noise is part of your job, your employer has legal responsibilities under the Control of Noise at Work Regulations 2005.

80 dBEmployer must assess the risk and provide information.
85 dBHearing protection becomes mandatory.
87 dBLegal maximum exposure limit.

Regularly exposed to loud noise at work without being offered hearing protection or hearing checks? It is worth raising with your employer.

Early warning signs.

Your ears usually warn you before the damage is permanent. Tick the ones you recognise.

Ringing or buzzing after loud noise, often the first sign
Sounds seem muffled for hours after a loud event
Gradually needing things repeated more often
Struggling to hear in noisy environments
Protect what you have

Wear proper hearing protection around loud noise, keep headphone volume sensible with regular breaks, step away from speakers when you can, and give your ears recovery time after loud exposure. A temporary muffled feeling is a warning. Repeated episodes can become permanent.

If the damage is already done.

Hearing aids are usually the most effective way to help you hear better day to day. We assess your hearing at your free test and talk you through the options, no pressure either way.

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Common questions.

No. Once those cells are damaged they do not recover. That is why noise damage is the one kind of hearing loss you can almost always prevent, but cannot cure.

It is a warning. The ringing means your ears have been pushed too hard. Your hearing comes back, but each time it leaves a little less behind. People who get this often are the ones we see with noise damage twenty years later.

They can be. It is how loud and how long, rather than earbuds themselves. A good rule is no more than about 60% volume, for no more than about an hour at a time. If the person next to you can hear it, it is too loud.

They look different on a hearing test. Noise damage leaves a dip in one particular part of your hearing, with better hearing either side of it. Ageing fades away more evenly. A full test shows which one you have, and often it is both.

For the odd loud night, proper filtered earplugs are much better than foam ones, because they turn the volume down without muffling everything. If you are around noise regularly, at work or playing music, earplugs made to fit your own ear are far more comfortable. That matters, because people actually wear those.

What to do next

A free hearing test shows whether noise damage is there and how far it has gone. If it is, hearing aids help with what is left, and we can talk about protecting the rest.

Written and clinically reviewed by our HCPC registered audiologists. Last reviewed: 14 September 2026. This page is general information, not a diagnosis. If you are worried about your hearing, book a hearing test or speak to your GP.