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Presbycusis: what you need to know about age-related hearing loss

It’s very common for people to experience hearing loss as they get older. Age-related hearing loss is called presbycusis, pronounced pres-buh-CUE-sis.

This page explains more about the condition, which affects around 50% of US adults aged 75 and older.

Presbycusis is often a natural part of the ageing process, but other factors can contribute to hearing loss in older people, like exposure to loud noise over a prolonged period of time and certain underlying health conditions.

Presbycusis symptoms include noticing that you have more difficulty keeping up with conversations, finding it hard to hear people on the phone, and needing to turn up the volume on the television, for example.

Age-related hearing loss is permanent and is likely to worsen with time. There is no cure, but there are ways to manage it.

Normally, presbycusis treatment is to wear hearing aids.

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What is presbycusis?

Presbycusis is a sensorineural hearing loss. That means it occurs as a result of damage or changes to a part of the inner ear or the auditory nerve that sends sound signals to the brain.

Presbycusis is a gradual decline in hearing as we get older. It’s one of the most common conditions affecting older and elderly people, but the process can begin in your thirties.

elderly man wearing hearing aid

Presbycusis can be any degree of hearing loss, from mild to profound. It typically affects both ears and because it happens gradually, often over many years, you might not realize you are losing your hearing for some time.

What causes presbycusis?

Presbycusis is generally caused by the normal ageing process. Ageing can change the way parts of the inner ear work, as well as the connections from the inner ear to the brain.

As a result of these changes, sound signals can’t be converted into electrical impulses, or those impulses can’t reach the brain to be interpreted.

Other factors can contribute to hearing loss as you get older, which can make it hard to identify the exact cause.

A common cause of age-related hearing loss is exposure to loud noise over a long time. This is called noise-induced hearing loss, and most older people who have impaired hearing have a combination of this and presbycusis.

Certain medical conditions that are more prevalent in older people – such as diabetes, high blood pressure, and heart disease – can also be a factor in age-related hearing loss.

These conditions can affect your circulation and worsen the flow of blood to your ears. The tiny hair cells in the inner ear, which help turn soundwaves into electrical impulses that travel to the brain, rely on a good blood supply. Without it, they become damaged and your hearing becomes impaired.

Certain medications can have an adverse effect on hearing and balance and can contribute to age-related hearing loss. These are called ototoxic drugs.

In some cases, presbycusis is caused by problems or abnormalities in the outer or middle ear, like the eardrum or the ossicles – the three tiny bones in the middle ear. This is rare, though.

Types of presbycusis

There are five main types of presbycusis based on four sites of aging in the inner ear (cochlea):

  1. Sensory presbycusis – a loss of hair cells in the cochlea.
  2. Neural presbycusis – a loss of cochlear nerve fibers and spiral ganglion neurons.
  3. Metabolic presbycusis – atrophy (wasting away) of the stria vascularis of the cochlea, which is responsible for the chemical balance of the inner ear.
  4. Mechanical presbycusis – a thickening and stiffening of the basilar membrane of the cochlea.
  5. Mixed presbycusis – a mixture of different types. Presbycusis rarely occurs exclusively at one site, and typically involves simultaneous changes at two or more of these sites.

Presbycusis symptoms

The main symptom of presbycusis is a very gradual loss of hearing in both ears. You might not realize at first – quite often other people will notice that you have difficulty communicating in certain situations.

Signs and symptoms of presbycusis include:

  • You have difficulty hearing or understanding the television or when talking on the phone
  • You have difficulty following conversation in large groups or noisy environments
  • You feel like your hearing is muffled or people sound like they’re mumbling
  • You misunderstand what other people are saying or you have to ask them to repeat themselves
  • You struggle to distinguish certain types of consonants, like ‘s’ and ‘th’
  • You have more trouble hearing children and people with higher-pitched voices
  • You have tinnitus – commonly called ringing in the ear – in one or both ears
  • Your spouse or loved ones complain that you have difficulty hearing
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How is presbycusis diagnosed?

If you think you have any type of hearing loss, including presbycusis, the first step is to visit an audiologist.

They will perform some hearing tests to assess the degree of hearing loss and identify any other treatable contributing factors, such as blockage (wax, for example) in the ear canal.

There is no specific test that can determine if your hearing loss is purely age-related or whether you also have noise-induced hearing loss.

The outcomes of these tests will help determine the best treatment.

Presbycusis treatment

Presbycusis is permanent hearing loss and in most cases, it can’t be treated with medication or surgery. There is no cure.

If you have presbycusis your doctor will probably recommend you use hearing aids. There are also other technologies that might help, like telephone amplifiers or devices that convert speech into text.

Some people with severe or profound age-related hearing loss might benefit from having a cochlear implant – a small electronic device that’s placed into your inner ear.

Living with presbycusis

It can be difficult to come to terms with hearing loss, especially if you’re older and have other age-related health conditions.

Any type of hearing loss can be deeply frustrating. Because it’s a barrier to communication, it can make you feel increasingly isolated. In turn, that often leads to depression and anxiety.

Research has shown a link between hearing loss and dementia, as well as an overall decline in cognitive function.

The more severe your degree of hearing loss, the greater the risk to your safety. For example, you might struggle to hear traffic noise or smoke alarms, which can put you in danger.

This may well sound frightening, but having your hearing assessed and finding a suitable treatment – typically a hearing aid that’s suited to you – will help you to mitigate those risks.

In addition, there are steps you can take to prevent your hearing from getting worse unnecessarily. For example, try to minimize how often you’re exposed to very loud noise and wear ear protectors or ear plugs.

Written by:

Allie Anderson is a health writer and editor with many years of experience creating accurate, evidence-based content for consumer and professional audiences. Allie is passionate about making medical information as accessible as possible, empowering people to make informed choices about their health and well-being.


Allie holds a first-class honours degree in Linguistics from University College London, a Russell Group institution that’s ranked in the top 10 universities globally. She trained as a journalist with the UK’s NCTJ (National Council for the Training of Journalists) and after working as a news reporter for local newspapers and B2B titles, began writing about health.


Published in medical journals, peer-reviewed magazines for healthcare professionals and a broad range of consumer titles, Allie has covered all manner of health and medical topics throughout her career, most recently focusing on hearing health and hearing loss.


Allie has conducted in-depth research into the mechanisms underpinning hearing and has developed an understanding of the nuanced impact hearing loss can have on individuals and their loved ones.

Reviewed by:
Audiologist Ana Paula de Lima Rodrigues (Audiology and Speech Therapy BSc) is extremely passionate about providing exceptional care, advice and support for people with hearing loss. Ana trained at the University of Vale do Itajai in Brazil in 2001 and currently works in London where she is registered with The Health and Care Professions Council (HCPC).
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