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What is a casein allergy?

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It's when your body's immune system mistakenly thinks the protein is harmful and inappropriately produces allergic (IgE) antibodies for protection. That triggers the release of body chemicals such as histamine that cause symptoms which may include:

  • Swelling of the lips, mouth, tongue, face, or throat
  • Skin reactions such as hives, a rash, or red, itchy skin
  • Nasal congestion, sneezing, runny nose, itchy eyes, coughing, or wheezing

From: Casein Allergy Overview WebMD Medical Reference

SOURCES:

The Nemours Foundation: "Milk Allergy."

Children's Hospital Boston Center for Young Women's Health: "Milk Allergy: A Guide for Teens."

The Food Allergy & Anaphylaxis Network: "Anaphylaxis."

Reviewed by Sabrina Felson on June 17, 2018

SOURCES:

The Nemours Foundation: "Milk Allergy."

Children's Hospital Boston Center for Young Women's Health: "Milk Allergy: A Guide for Teens."

The Food Allergy & Anaphylaxis Network: "Anaphylaxis."

Reviewed by Sabrina Felson on June 17, 2018

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How is casein allergy treated?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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