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Lewy Body Disease
(Lewy Body Dementia; Dementia with Lewy Bodies)
by Krisha McCoy, MS
Lewy body disease is a type of dementia. Dementia is the progressive loss of memory and various other mental functions, including the ability to learn, reason, and judge.
Lewy body disease is associated with the buildup of Lewy bodies in regions of the brain. These are abnormal protein deposits inside cells that play a role in certain aspects of memory, visual processing, and motor control. It is not clear exactly what causes the buildup of Lewy bodies in the brain.
Risk Factors TOP
Lewy body disease is more common in men, and in people over 50 years old. It is also more common in people with a family history of Lewy body disease, Parkinson disease, or other dementias.
The disease is linked to:
Lewy body disease is characterized by:
You will be asked about your symptoms and medical history. A physical exam will be done. A doctor can do tests to narrow the cause of dementia. Other tests may include:
The only way to confirm Lewy body disease is through an autopsy after death.
While there is no cure for Lewy body disease, there are treatments that can control the symptoms. Talk with your doctor about the best treatment plan for you. Treatment options include:
These medications may be used to help with the symptoms:
If you have Lewy body disease, you may be sensitive to medications called neuroleptics. You may have adverse events with these medications.
There are no current guidelines to prevent Lewy body disease.
Lewy Body Dementia Association
National Institute of Neurological Disorders and Stroke
Canadian Stroke Network
An introduction to Lewy body dementia. Lewy Body Disease Association website. Available at:
...(Click grey area to select URL)
Accessed October 2, 2017.
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NINDS dementia with Lewy bodies information page. National Institute of Neurological Disorders and Stroke website. Available at: https://www.ninds.nih.gov/Disorders/All-Disorders/Dementia-Lewy-Bodies-Information-Page. Accessed October 2, 2017.
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Updated 2014. Accessed September 3, 2014.
Last reviewed September 2017 by EBSCO Medical Review Board Rimas Lukas, MD
Last Updated: 9/15/2016
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