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orthostatic hypotension

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 light-headedness, 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 light-headed or to faint. most people do not have orthostatic hypotension symptoms when they change position.

orthostatic hypotension is often caused or made worse by dehydration. other causes include diabetes, heart disease, and nervous system problems. many medicines cause orthostatic hypotension.

treatment can involve adjusting medicines and increasing fluid intake.

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this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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