Skip to content

Information and Resources

Fainting Directory

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.

Medical Reference

Features

Thumbnail: How to handle fainting at the sight of blood

Why the sight of blood might make you faint – and what you can do about it.

Read Full Article

Symptom Checker

News Archive

Hot Topics

WebMD Video: Now Playing

Click here to wach video: Dirty Truth About Hand Washing

Which sex is the worst about washing up? Why is it so important? We’ve got the dirty truth on how and when to wash your hands.

Click here to watch video: Dirty Truth About Hand Washing

Popular Slideshows & Tools on WebMD

bloodstream
Tips to help prevent clots.
checking blood sugar
Symptoms, diagnosis and treatment.
acupuncture needle on shoulder
Live and thrive.
gloved hand holding syringe
10 preventable diseases.
psoriasis
How to identify that bite.
man eating meal
Folates, green tea and more.
brain scan with soda
Tips to avoid complications.
disciplining a boy
Types, symptoms, causes.
Woman with stressed, fatigue
Get relief tips.
restroom sign
Food and drinks that make you go.
two male hands
Understanding RA.

Pollen counts, treatment tips, and more.

It's nothing to sneeze at.

Loading ...

Sending your email...

This feature is temporarily unavailable. Please try again later.

Thanks!

Now check your email account on your mobile phone to download your new app.

Women's Health Newsletter

Find out what women really need.