Skip to Content
Home > Wellness > Health Library > Orthostatic Hypotension
Browse and register for related classes.
Orthostatic hypotension is a rapid and sudden decrease in blood
pressure that occurs when a person changes position, such as rising from a
sitting or lying position to standing, or when standing motionless in one
position. Symptoms of orthostatic hypotension may include lightheadedness,
dizziness, or fainting (syncope).
When a person sits up or stands up, the body adjusts the way it
pumps blood to maintain blood flow to the brain. If the blood flow changes
occur too slowly after the person stands up, the blood flow to the brain may be
temporarily reduced, causing the person to feel lightheaded or to faint. Most
people do not have orthostatic hypotension symptoms when they change
Orthostatic hypotension is often caused or made worse by
dehydration. Other causes include diabetes, heart disease, and nervous system
problems. Many medications cause orthostatic hypotension.
Treatment can involve adjusting medicines and increasing fluid
Current as of:
January 27, 2016
E. Gregory Thompson, MD - Internal Medicine & Martin J. Gabica, MD - Family Medicine & Ethan A. Halm, MD, MPH - Internal Medicine
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.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.
250 Pleasant Street
Concord, NH 03301
Share Feedback and Questions
View Quality Data
© 2017 Concord Hospital