©2018 WebMD, Inc. All rights reserved. eMedicineHealth does not provide medical advice, diagnosis or treatment. See Additional Information.

Severe Allergic Reaction
(Anaphylactic Shock) Topic Guide

Severe Allergic Reaction (Anaphylactic Shock) Severe Allergic Reaction (Anaphylactic Shock): Anaphylactic shock is a severe allergic reaction that is life-threatening. The symptoms of anaphylactic shock are breathing problems, shock, or death. A severe allergic reaction may be caused by an insect sting or certain foods to which the body has been "sensitized" and has developed a powerful antigen for. Anaphylactic shock is an emergency and requires immediate medical treatment.

Severe Allergic Reaction (Anaphylactic Shock) Topic Guide - Visuals

Slideshows, Pictures, Images, and Quizzes:

Severe Allergic Reaction (Anaphylactic Shock) Topic Guide - Medications and Vitamins


epinephrine injection Epinephrine Injection

Epinephrine is a chemical that narrows blood vessels and opens airways in the lungs. These effects can reverse severe low blood pressure, wheezing, severe s...learn more »