Urgent help: call 999 if someone's life is at risk, or NHS 111. Sudden new confusion can be delirium, which needs medical help the same day.

Frequently asked questions

Short answers to questions people often ask about dementia, with links to more detail.

Updated 16 September 20261 min read

These answers give a quick overview. Each one links to a page with more detail and sources. This website provides general information only. For advice about your own situation, speak to your GP or the professionals involved in your care.

If you need help now

If someone suddenly becomes confused, or their life is at risk, call 999 or go to A&E. For support from specialist dementia nurses, call Dementia UK’s Admiral Nurse Dementia Helpline free on 0800 888 6678. See support and helplines for more numbers.

About Happy Clinic

This website links to Happy Clinic, a private online psychiatry service for adults. Happy Clinic does not assess, diagnose or treat dementia or memory problems. Its consultant psychiatrists can help adults with their own mental health, such as depression, anxiety or insomnia linked to mood or anxiety. This may be relevant for carers and family members.

Frequently asked questions

Is dementia a normal part of getting older?

No. Dementia is more common in older people, but the NHS says it is not a natural part of ageing. It is caused by diseases that damage the brain. See what is dementia?

What is the difference between dementia and Alzheimer's disease?

Dementia is the name for a group of symptoms, such as memory loss and confusion. Alzheimer’s disease is the most common disease that causes those symptoms. Other causes include vascular disease and Lewy bodies. See types of dementia.

I keep forgetting things. Do I have dementia?

Not necessarily. Stress, low mood, anxiety, poor sleep, some medicines, and thyroid or vitamin B12 problems can all affect memory. If memory problems are getting worse or affecting daily life, see your GP. See early signs and other causes of memory loss.

What should I do if someone suddenly becomes confused?

Call 999 or go to A&E. Sudden confusion over hours or days may be delirium, which can be caused by infection, stroke, low blood sugar or medicines. The NHS says it needs to be checked straight away.

How do I get a dementia diagnosis?

Start with your GP. They will ask about symptoms, do a physical check, arrange blood and urine tests and a short memory test. If dementia is still suspected, they refer you to an NHS memory assessment service, which may arrange scans. See getting a diagnosis.

Can Happy Clinic assess dementia?

No. Happy Clinic does not assess, diagnose or treat dementia or memory disorders. If you are worried about memory, see your GP, who can check for other causes and refer you to an NHS memory assessment service. Happy Clinic’s consultant psychiatrists can help adults with their own mental health, such as a carer’s depression, anxiety or sleep problems, or depression or anxiety that may be affecting concentration once a GP has checked for physical causes. See carers’ wellbeing.

What is mild cognitive impairment?

Mild cognitive impairment (MCI) means noticeable problems with memory or thinking that do not stop you managing most daily tasks. Alzheimer’s Society explains it may stay the same, improve, or in some people develop into dementia. Ask about follow-up.

Is there a cure for dementia?

Not yet. But NICE recommends medicines such as donepezil, galantamine, rivastigmine and memantine for some types, and cognitive stimulation therapy for mild to moderate dementia. These can help with symptoms for a time. See treatment.

Can I get lecanemab or donanemab on the NHS?

Not at the time of writing. These newer medicines are licensed in the UK for some people with early Alzheimer’s disease, but NICE has not recommended them for NHS use, and Alzheimer’s Research UK said in September 2026 that they are not available on the NHS. NICE is looking at them again after appeals. See treatment for details and check NICE for updates.

Is dementia inherited?

Most dementia is not directly inherited. The NHS says a family history of Alzheimer’s disease raises risk slightly, while rare inherited forms carry a much higher risk. Frontotemporal dementia more often has a genetic link. If you are worried about family history, talk to your GP.

Do I have to stop driving if I am diagnosed?

Not always straight away. But GOV.UK says you must tell the DVLA if you have dementia, and you can be fined up to £1,000 if you do not tell DVLA about a condition that affects your driving. In Northern Ireland, tell the DVA. You should also tell your insurer. See living well.

What is a Lasting Power of Attorney and when should we make one?

It is a legal document that lets someone you trust make decisions for you if you cannot in future. It can only be made while you have mental capacity, so it is best to do it early. In England and Wales it must be registered with the Office of the Public Guardian. See legal and money matters.

What financial help is available?

People of State Pension age who need care or supervision may get Attendance Allowance, which is not means-tested. Carers may get Carer’s Allowance. There may also be Council Tax discounts. Check gov.uk for current rates. See legal and money matters.

What is a carer's assessment?

It is a free assessment from your local council that looks at how caring affects you and what support could help, such as breaks. Anyone over 18 who regularly helps someone can ask for one. See caring for someone.

What is an Admiral Nurse?

Admiral Nurses are specialist dementia nurses who support families. You can speak to one free on Dementia UK’s helpline, 0800 888 6678. See support and helplines.

Why are antipsychotic medicines a concern in dementia?

NICE says they should only be used if a person is at risk of harm or severely distressed by agitation, hallucinations or delusions, at the lowest dose for the shortest time, with review at least every 6 weeks. People with dementia with Lewy bodies or Parkinson’s disease dementia can react severely. See dementia with Lewy bodies.

I am a carer and feel low all the time. Where can I get help?

Talk to your GP, and tell them you are a carer. In England you can refer yourself to NHS Talking Therapies for anxiety and depression. Helplines such as Carers UK and Dementia UK can also help. If you feel unsafe, call 999 or Samaritans on 116 123. See carers’ wellbeing.

Sources and further reading (11)
  1. NHS: What is dementia?
  2. NICE guideline NG97: Recommendations
  3. Alzheimer's Society: What is lecanemab?
  4. Alzheimer's Research UK: Potential Alzheimer's treatment trontinemab hits the news (September 2026)
  5. GOV.UK: Dementia and driving
  6. GOV.UK: Lasting power of attorney
  7. GOV.UK: Attendance Allowance
  8. NHS: Causes of Alzheimer's disease
  9. NHS: Carer's assessments
  10. NHS: Sudden confusion (delirium)
  11. Alzheimer's Society: Mild cognitive impairment (MCI)

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