Medical Definition of Lightheadedness

Lightheadedness: A feeling you are "going to faint." Lightheadedness is medically distinct from dizziness, unsteadiness, and vertigo.

CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW

SLIDESHOW

Heart Disease: Causes of a Heart Attack See Slideshow

Health Solutions From Our Sponsors

Reviewed on 12/27/2018
References
Medically reviewed by Martin Zipser, MD; Board Certified: Surgery