Donate now See menu Shop Support line Search Home About dementia Types of dementia Types of dementia Dementia is the broad term used to describe a number of different conditions affecting the brain, including Alzheimer's disease, vascular dementia, frontotemporal dementia, and more. Advice What is dementia? We explain what dementia is, including the causes and symptoms, and how it is diagnosed and treated. We also look at the different types of dementia. Advice Alzheimer's disease Alzheimer’s disease is the most common cause of dementia. Learn about the symptoms, how it is diagnosed, and factors that can put someone at risk of developing it. We also look at treatments and support currently available for the condition. Advice Vascular dementia: what is it, and what causes it? Vascular dementia is the second most common type of dementia (after Alzheimer's disease), affecting around 150,000 people in the UK. Find out more about vascular dementia and what causes it. Advice Dementia with Lewy bodies (DLB): what is it and what causes it? Dementia with Lewy bodies (DLB) is a type of dementia caused by Lewy bodies, which are clumps of protein in the cells of the brain. Read more about what DLB is, and who gets the condition. Advice Frontotemporal Dementia (FTD) Frontotemporal dementia (FTD) is one of the less common types of dementia. It is sometimes called Pick's disease or frontal lobe dementia. The first noticeable FTD symptoms are changes to personality and behaviour and/or difficulties with language. Advice What is mixed dementia? ‘Mixed dementia’ is a condition in which a person has more than one type of dementia. Alzheimer’s disease and vascular dementia is the most common type. 17 August 2018 100 Advice Young-onset dementia Find out what young-onset dementia is, including the causes and symptoms, and how it is diagnosed and treated. Advice Creutzfeldt-Jakob disease Creutzfeldt-Jakob disease (CJD) is caused by an abnormally shaped protein called a prion infecting the brain. Advice Alcohol-related ‘dementia’ Find out about Alcohol-related 'dementia' including symptoms, diagnosis, treatment, support and rehabilitation. Advice HIV-associated neurocognitive disorder (HAND) People with HIV and AIDS sometimes develop cognitive impairment, particularly in the later stages of their condition. Advice Mild cognitive impairment (MCI) This page explains what mild cognitive impairment (MCI) is and tells you about some of the main symptoms. Advice Learning disabilities and dementia Read our introduction to dementia in people with learning disabilities. This section includes details of why someone with a learning disability is more likely to develop dementia, and suggestions how they can live well with the condition. Advice Rarer types of dementia Alzheimer's disease is the most common cause of dementia, but there are many rarer diseases and conditions that can lead to dementia, dementia-like symptoms or mild cognitive impairment. Sign up to get twice-monthly e-newsletter updates from Alzheimer’s Society. You can change what you receive at any time and we will never sell your details to third parties. Here’s our Privacy Policy. Useful links Jobs Working for us Contact us Publications and factsheets Training and conferences Blog Legal information Cookies Report a website problem Facebook Twitter Instagram Youtube All content © 2021 Alzheimer's Society. Registered office at Alzheimer's Society, 43-44 Crutched Friars, London, EC3N 2AE Alzheimer's Society is a registered Charity No. 296645. Registered as a company limited by guarantee and registered in England No. 2115499 We use some essential cookies to make this website work. We’d like to set additional cookies to understand how you use our site, remember your settings and assist our marketing to better support people affected by dementia. We also use cookies set by other sites to help us deliver services to you. Accept All Cookies Manage Cookies