Food Allergies - High Risk Infant

Background

Please Note: This content is being updated or under review. This version is based on the best available evidence at the last updated date and remains available to guide practice in the interim.


Food Allergies - High Risk Infant Background 

 

Food allergies (or food hypersensitivities) are a collection of disorders caused by either IgE-mediated or non-IgE mediated immune mechanisms (1). Food allergy precipitated by IgE antibody production, causes an immediate type reaction within minutes to two hours after exposure to the food allergen. IgE mediated responses can provoke a variety of symptoms including anaphylaxis (2). Food allergy precipitated by cell-mediated mechanisms generally produce delayed symptoms; typically four to 48

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