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    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

    • Treatment for Fainting

      WebMD explains how your doctor will determine the cause of your fainting, and what to do if someone nearby faints.

    • Symptoms of Dizziness

      Is what you're feeling common symptoms of dizziness? Find out from the experts at WebMD.

    • The Basics of Dizziness

      Feeling dizzy, disoriented, lightheaded, or anxious? Learn about the types and causes of dizziness.

    • Treatment for Dizziness

      Learn the basics of treatment for dizziness from the experts at WebMD.

    View All

    Features

    • 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.

    Slideshows & Images

    • What Makes You Faint?

      Find out how dehydration, low blood pressure, arrhythmia, and other problems can make you feel woozy and even faint.

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