Skip to Content
Home > Wellness > Health Library > Lambert-Eaton Syndrome
Lambert-Eaton syndrome (also called Eaton-Lambert syndrome) is
a very rare condition in which a person's immune system attacks nerve tissues
it mistakenly identifies as invading organisms. As a result, electrical signals
do not travel between nerves and muscles as they should, which typically causes
weakness in the upper arm and thigh muscles.
Other symptoms may
include a dry mouth, muscle pain, vision problems, and droopy eyelids (ptosis).
Men with Lambert-Eaton syndrome may also be unable to achieve or maintain an
Certain forms of cancer can sometimes trigger the
development of Lambert-Eaton syndrome.
Current as of:
February 19, 2016
Anne C. Poinier, MD - Internal Medicine & Colin Chalk, MD, CM, FRCPC - Neurology
To learn more about Healthwise, visit Healthwise.org.
© 1995-2016 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
I Want To...
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.