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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.
Current as of: July 31, 2024
Author: Ignite Healthwise, LLC Staff
Clinical Review BoardAll Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
This information does not replace the advice of a doctor. Ignite Healthwise, LLC, 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. Learn how we develop our content.
