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Understanding Anaphylaxis -- Symptoms

What Are the Symptoms of Anaphylaxis?

Anaphylaxis may begin with severe itching of the eyes or face and usually within minutes of exposure to the allergen, progressing to the following symptoms:

  • Swelling of the throat, lips, and tongue
  • Difficulty breathing, caused by swelling of the throat and constriction of the airways
  • Difficulty swallowing
  • Hives
  • Generalized flushing (redness and warmth) of the skin
  • Abdominal cramps and nausea
  • Increased heart rate
  • Sudden weakness
  • Drop in blood pressure
  • Vomiting or diarrhea
  • Swelling throughout the body
  • Shock
  • Unconsciousness

 

Recommended Related to Allergies

Relief for Allergies at School

Relief for allergies at school and day care is an urgent problem for many parents and kids. Consider the statistics: As many as 40% of children in the U.S. suffer from seasonal allergies, and one in every 17 children under the age of 3 has a food allergy. How can you work with teachers, coaches, the school nurse -- and your family -- to keep allergies at school under control? How can you help your child avoid missing important class days and be comfortable and productive while in school? If...

Read the Relief for Allergies at School article > >

WebMD Medical Reference

Reviewed by Luqman Seidu, MD on April 05, 2012

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