There is no cure for dementia but medication is available that can help relieve some of the symptoms and slow down the progression of the condition in some people.
Various other types of support are also available to help people live as independently as possible, such as making changes to your home environment so it's easier to move around and remember daily tasks.
Psychological treatments such as cognitive stimulation therapy may also be offered to help support memory, problem solving skills and language ability.
On average, people live for around 8 to 10 years after they start to develop symptoms. However, this can vary considerably from person to person. Some people with the condition will live longer than this, but others will not.
Dementia is a life-limiting illness, although many people diagnosed with the condition will die from another cause.
As it is a progressive neurological condition, it can cause problems with swallowing. This can lead to aspiration (food being inhaled into the lungs) which can cause frequent chest infections. It's also common for people with the disease to eventually have difficulty eating and to have a reduced appetite.
There's increasing awareness that people with Alzheimer’s disease need palliative care. This includes support for families, as well as the person with the disease.