Types of dementia

There are over 100 diseases that can cause dementia. The most common types of dementia are described in this section.

Alzheimer's disease

Alzheimer’s disease is the most common form of dementia accounting for between 50% and 70% of all dementias.  

Vascular dementia

Vascular dementia is the second most common cause of dementia after Alzheimer's disease. For detailed information read this section.

Dementia with Lewy bodies

Dementia with Lewy bodies is a common form of dementia, sharing many similarities with Alzheimer’s disease. Lewy bodies - causes, diagnosis and progression.

Fronto temporal lobar degeneration

This section describes a group of dementias, known as Fronto Temporal Lobar Degeneration including Fronto Temporal Dementia, Progressive non-Fluent Aphasia, Semantic Dementia and Pick’s disease. It discusses their causes, diagnoses and symptoms.

Alcohol related dementia

Alcohol related dementia - causes, symptoms and treatment.

Down syndrome & Alzheimer's disease

Research has established a link between Down syndrome and Alzheimer’s disease. The diagnosis of Alzheimer’s disease in people with Down syndrome and the relationship between Down syndrome and Alzheimer’s disease is detailed in this section along with information about help and support available.

AIDS related dementia

AIDS related dementia - cause, symptoms, diagnosis and treatment.