Lewy body dementia is a progressive brain disorder in which abnormal protein deposits (Lewy bodies) build up in areas of the brain associated with memory, decision-making, and motor control. It shares symptoms with both Alzheimer's disease and Parkinson's disease, making accurate diagnosis challenging.

Lewy Body Dementia FAQ


What are the early signs of Lewy body dementia?

Early signs may include visual hallucinations, movement disorders, and cognitive fluctuations.

How is Lewy body dementia diagnosed?

Diagnosis is based on medical history, symptoms, and various tests to rule out other conditions.

What are the treatment options for Lewy body dementia?

Treatment focuses on managing symptoms with medications like cholinesterase inhibitors and other supportive therapies.

Is Lewy body dementia different from Alzheimer's disease?

Yes, it has distinct features such as visual hallucinations and fluctuating cognition not typically seen in Alzheimer's.

Can Lewy body dementia be hereditary?

There may be a genetic predisposition, but it is not usually directly inherited.

What is the life expectancy for someone with Lewy body dementia?

The prognosis varies, but on average, individuals live about 5 to 7 years after the onset of symptoms.

What are the risk factors for developing Lewy body dementia?

Age, family history of dementia, and certain genetic factors may increase the risk.

Are there support groups for Lewy body dementia patients?

Yes, there are support groups that provide emotional and practical help for patients and their families.

Can exercise help in managing Lewy body dementia?

Yes, regular physical activity may improve balance, gait, and overall movement in individuals with Lewy body dementia.

What are the common behavioral changes in Lewy body dementia?

Agitation, depression, and anxiety are common behavioral changes in Lewy body dementia.

Can Lewy body dementia cause sleep disturbances?

Yes, sleep disorders like REM sleep behavior disorder often occur in people with Lewy body dementia.

Do people with Lewy body dementia experience delusions?

Yes, delusions may be present, often related to misidentification of familiar people or places.

Can occupational therapy help in managing Lewy body dementia symptoms?

Yes, occupational therapy can assist in maintaining independence and managing daily activities for individuals with Lewy body dementia.

Are there any clinical trials for Lewy body dementia treatments?

Yes, there are ongoing clinical trials to develop new treatments and improve understanding of the disease.

Does Lewy body dementia affect communication skills?

As the disease progresses, individuals may experience difficulties with language and communication.

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Information provided by Maryam Abdullahi-Mahdi. Reviewed by Mr. Matthew Liew