Anaphylaxis | Symptoms

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What are the symptoms of anaphylaxis?

Anaphylaxis symptoms may include one or more of the following:

  • Hives, rash, or itchy skin
  • Pale skin, or skin that is red and warm (flushed)
  • Swelling in the mouth or throat, or of another body part
  • Wheezing or trouble breathing
  • A tight feeling in the chest
  • Dizziness
  • Fainting
  • A feeling of anxiety
  • Nausea, vomiting, or diarrhea

These symptoms usually show up right after you are exposed to an allergen (see Causes & Risk Factors to learn more about allergens). The symptoms can be mild or severe. Be sure to tell your doctor if you think you’ve ever had a severe allergic reaction or symptoms of anaphylaxis, even if your symptoms were mild.

Source

A Practical Guide to Anaphylaxis by TW Tang, M.D. (American Family Physician October 01, 2003, http://www.aafp.org/afp/20031001/1325.html)

Written by familydoctor.org editorial staff

Reviewed/Updated: 04/14
Created: 11/04

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