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Panic Attacks and Panic Disorder - Cause

The exact cause of panic disorder isn't clear. It is thought that it may be caused by an imbalance of chemicals in the brain (neurotransmitters). It also may be passed down through families (genetic).

You can have a panic attack without having panic disorder. Panic attacks may be triggered by:

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  • Drinking large amounts of alcohol or abruptly stopping the use of alcohol.
  • Drinking large amounts of caffeine.
  • Chain-smoking. It greatly increases the amount of nicotine in the blood.
  • Taking certain medicines (such as those used to treat asthma and heart conditions) or abruptly stopping certain medicines (such as those used to treat anxiety or sleep problems).
  • Using illegal drugs, such as cocaine or marijuana.
  • Having high levels of stress for a long time.
  • Having recently had a baby.
  • Having recently had surgery or been under general anesthesia.

Panic attacks also can be caused by or linked with other medical conditions, including:

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: May 17, 2013
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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