Review Of Why Am I Light Headed References. Medically reviewed by poonam sachdev on february 22, 2022 written by paul frysh are you dizzy, or lightheaded ? The most common causes of sudden dizziness—drugs, bed rest, and decreased blood volume—are usually obvious.

Causes by mayo clinic staff the causes of dizziness are as varied as its symptoms. Dehydration is one common cause of.web Lightheadedness is when you feel dizzy and like you might faint.