Health Concern On Your Mind?
See what your medical symptoms could mean, and learn about possible conditions.
Drugs & Supplements
Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.
Having trouble identifying your pills?
Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.
Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.
Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.
Read expert perspectives on popular health topics.
Connect with people like you, and get expert guidance on living a healthy life.
Got a health question? Get answers provided by leading organizations, doctors, and experts.
Sign up to receive WebMD's award-winning content delivered to your inbox.
Depending on the cause of your fainting spell, you may have some or all of these symptoms before or during the episode:
Find out more about fainting:
Diagnosis and Treatment
You have an unexplained fainting episode. Especially if the episode occurs during exercise, happens during heart palpitations (feeling the heart beat irregularly), or if you have a family history of recurrent fainting or sudden death.
WebMD Medical Reference
Heart Rhythm Society.
American Academy of Family Physicians.
The Merck Manual.
©2005-2015 WebMD, LLC. All rights reserved.
WebMD does not provide medical advice, diagnosis or treatment. See additional information.