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
June 12, 2013
E. Gregory Thompson, MD - Internal Medicine & Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
How this information was developed to help you make better health decisions.
To learn more visit Healthwise.org
© 1995-2013 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
We are happy to take your appointment request over the phone, or, you may fill out an online request form.
Disclaimer: The information on this website is for general informational purposes only and SHOULD NOT be relied upon as a substitute for sound professional medical advice, evaluation or care from your physician or other qualified health care provider.