Avoiding triggers for a common cause of fainting
Vasovagal syncope can occur with many activities, such as standing for long periods or experiencing intense stress.
- Reviewed by Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
Vasovagal syncope, a common cause of fainting, occurs when the vagus nerve becomes overstimulated in response to triggers such as stress or dehydration. Certain strategies, such as lying down and elevating the legs, help people avoid passing out.
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About the Reviewer
Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
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