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light-headedness

light-headedness makes a person feel like they are about to faint or pass out. it is caused by a momentary drop in blood pressure and blood flow to the head.

nausea or vomiting sometimes accompanies light-headedness. symptoms usually improve or go away after lying down.

it is common to feel light-headed occasionally. light-headedness often occurs when a person gets up too quickly from a seated or lying position (orthostatic hypotension).

unlike vertigo, light-headedness does not produce a sensation of movement. vertigo causes a spinning or whirling sensation that may lead to nausea or vomiting, loss of balance, trouble walking or standing, and falling.

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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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