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Allergies Health Center

Understanding Allergies -- the Basics

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What Triggers Anaphylactic Shock?

The most severe and dangerous allergic reaction is anaphylaxis, or anaphylactic shock, which typically begins within minutes after exposure and advances quickly. Although any allergen can trigger anaphylactic shock, the most common are insect stings, certain foods (such as shellfish and nuts), and injections of certain drugs. Treatment of anaphylaxis typically involves an injection of epinephrine to slow the progression and symptoms, and in severe cases, cardiopulmonary resuscitation (CPR) may be needed.

WebMD Medical Reference

Reviewed by Luqman Seidu, MD on March 16, 2014
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