Fainting (syncope) is a sudden loss of consciousness caused by low blood flow to the brain. It is commonly preceeded by lightheadedness or dizziness. Some causes of fainting are low blood sugar, panic attacks, anemia, fear, and more. Follow the links below to find WebMD's comprehensive coverage about what causes fainting, how to treat it, and much more.
The Basics of Fainting
Understand the basics of fainting from the experts at WebMD.
WebMD takes you through first aid steps if somebody faints.
How to Prevent Fainting
If you are prone to fainting, follow some of these preventive measures from the experts at WebMD.
Symptoms of Fainting
Understand the symptoms of fainting from the experts at WebMD.