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As a carer on the “outside”, dementia can be difficult to understand. This section is here to explain the different forms of dementia and help you understand your loved one’s condition better.

Introduction

Dementia is the term we use to describe a collection of symptoms such as memory loss, confusion, or problems with communication. There are a number of diseases which cause dementia. The most well-known is Alzheimer’s disease. Other dementia-related diseases include vascular dementia and frontotemporal dementia. Altogether, there are 850,000 people in the UK living with dementia.

The type of dementia someone has will affect what symptoms they experience. For example, someone diagnosed with Alzheimer’s disease is likely to experience problems with memory early on in the disease, while someone with Frontotemporal dementia is more likely to experience communication difficulties.

This section covers the four most common dementia-related diseases: Alzheimer’s disease, vascular dementia, Frontotemporal dementia, and dementia with Lewy bodies. We aim to expand our information in the future to cover rarer forms of dementia.

Click the links below to go to the relevant section:

Alzheimer’s disease

Alzheimer’s disease is the most common form of dementia, affecting more than 520,000 people in the UK.

What is Alzheimer’s disease?

Key facts about Alzheimer’s disease: what it is, who it affects, what causes it, and what the symptoms are.

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How is Alzheimer’s disease treated?

This page looks at the how medical treatment helps and what your loved one’s treatment options are.

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Alzheimer’s disease and the brain

An in-depth look at how Alzheimer’s disease affects the brain, and the symptoms that occur as a result.

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Alzheimer’s disease FAQs

Does Alzheimer’s disease run in families? What will things look like in a year’s time? This page has the answers.

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Vascular dementia

Vascular dementia is a common form of dementia, affecting 150,000 people in the UK.

What is vascular dementia?

Key facts about vascular dementia: what it is, who it affects, what causes it, and what the symptoms are.

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How is vascular dementia treated?

This page looks at the how medical treatment helps and what your loved one’s treatment options are.

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Vascular dementia and the brain

An in-depth look at how vascular dementia affects the brain, and the symptoms that occur as a result.

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Vascular dementia FAQs

Does vascular dementia run in families? What will things look like in a year’s time? This page has the answers.

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Dementia with Lewy bodies

Dementia with Lewy bodies affects more than 100,000 people in the UK. It is sometimes known as Lewy body dementia.

What is DLB?

Key facts about dementia with Lewy bodies: what it is, who it affects, what causes it, and what the symptoms are.

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How is DLB treated?

This page looks at the how medical treatment helps and what your loved one’s treatment options are.

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DLB and the brain

An in-depth look at how dementia with Lewy bodies affects the brain, and the symptoms that occur as a result.

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DLB FAQs

Does dementia with Lewy bodies run in families? What will things look like in a year’s time? This page has the answers.

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Frontotemporal Dementia (FTD)

Frontotemporal dementia is a rarer form of dementia that can often develop under the age of 65.

What is FTD?

Key facts about frontotemporal dementia: what it is, who it affects, what causes it, and what the symptoms are.

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How is FTD treated?

This page looks at the how medical treatment helps and what your loved one’s treatment options are.

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FTD and the brain

An in-depth look at how frontotemporal dementia affects the brain, and the symptoms that occur as a result.

> Read more

FTD FAQs

Does frontotemporal dementia run in families? What will things look like in a year’s time? This page has the answers.

> Read more

Other types of dementia

Information about other dementia terms including mixed dementia and early onset dementia.

What is mixed dementia?

An outline of what doctors mean by “mixed dementia”, how many people it affects, and what the symptoms are.

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What is early-onset dementia?

This page looks at who is diagnosed with dementia under the age of 65 and what symptoms they might experience.

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