Side effects can include confusion, depression, lightheadedness or fainting spells.
From the newsobserver.com
These include local pain and bruising, minor bleeding, and lightheadedness.
From the latimes.com
In many patients, lightheadedness is a symptom of orthostatic hypotension.
From the en.wikipedia.org
Symptoms of mild anemia include fatigue, lightheadedness and low energy.
From the sciencedaily.com
Failure to follow it means periods of lightheadedness or blurred vision.
From the washingtontimes.com
The lightheadedness or loss of consciousness can last for a few sections or a longer time.
From the cnn.com
Fatigue, lightheadedness and shortness of breath are some of atrial flutter's symptoms.
From the stltoday.com
I've been able to read my Nook on a bus or a train without experiencing any lightheadedness.
From the orlandosentinel.com
The most common ones of propoxyphene use are lightheadedness, nausea, dizziness and vomiting.
From the cnn.com
More examples
Dizziness: a reeling sensation; a feeling that you are about to fall
A frivolous lack of prudence
(lightheaded) faint: weak and likely to lose consciousness; "suddenly felt faint from the pain"; "was sick and faint from hunger"; "felt light in the head"; "a swooning fit"; "light-headed with wine"; "light-headed from lack of sleep"
(lightheaded) airheaded: lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles"
Light-headedness is a common and often unpleasant sensation of dizziness and/or feeling that one may be about to faint, which may be transient, recurrent, or occasionally chronic. In some cases, the individual may feel as though his or her head is weightless. ...
Alternative spelling of light-headedness
(lightheaded) Dizzy or feeling faint, usually caused by a drop in blood pressure to the brain
(lightheaded) feeling like you are going to faint. See dizzy