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<p>Immunoglobulin&#xa0;E (IgE)-mediated food allergies arise from a&#xa0;misdirected immune response to specific food proteins and are among the most common triggers of anaphylaxis in children. Clinically, they present with immediate symptoms such as urticaria, angioedema, respiratory distress, or circulatory involvement. A&#xa0;detailed medical history remains the most important tool for distinguishing true allergy from mere sensitization. Skin prick testing and specific IgE measurement are considered equivalent diagnostic methods; when findings are unclear, oral food challenges remain the gold standard. Structured management includes an emergency action plan, adrenaline auto-injector, training for families and caregivers, qualified dietary counseling, and—if needed—psychological support. Targeted elimination should focus only on confirmed allergens, as unnecessary avoidance increases the risk of tolerance loss. Recent research signals a&#xa0;paradigm shift: moving from lifelong strict avoidance towards controlled “dietary advancement” aimed at maintaining or inducing tolerance. This includes introducing baked allergen forms, stepwise “food ladders,” and oral immunotherapy (OIT). Particularly in early childhood (&lt; 4&#xa0;years), OIT studies show high desensitization rates and, in some cases, sustained tolerance. From a&#xa0;preventive perspective, AWMF (“Arbeitsgemeinschaft der Wissenschaftlichen Medizinischen Fachgesellschaften”) guidelines recommend the introduction of allergenic foods such as egg, fish, peanut, and tree nuts in age-appropriate forms from 4&#xa0;months of age, alongside continued breastfeeding. The focus is shifting from restrictive avoidance to active, evidence-based tolerance management—improving both safety and quality of life for affected children and their families.</p>

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IgE-vermittelte Nahrungsmittelallergien in der Pädiatrie: Diagnostik, Management und neue Therapieansätze – Teil 2

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Anna Zschocke,
  • Thomas Eiwegger

摘要

Immunoglobulin E (IgE)-mediated food allergies arise from a misdirected immune response to specific food proteins and are among the most common triggers of anaphylaxis in children. Clinically, they present with immediate symptoms such as urticaria, angioedema, respiratory distress, or circulatory involvement. A detailed medical history remains the most important tool for distinguishing true allergy from mere sensitization. Skin prick testing and specific IgE measurement are considered equivalent diagnostic methods; when findings are unclear, oral food challenges remain the gold standard. Structured management includes an emergency action plan, adrenaline auto-injector, training for families and caregivers, qualified dietary counseling, and—if needed—psychological support. Targeted elimination should focus only on confirmed allergens, as unnecessary avoidance increases the risk of tolerance loss. Recent research signals a paradigm shift: moving from lifelong strict avoidance towards controlled “dietary advancement” aimed at maintaining or inducing tolerance. This includes introducing baked allergen forms, stepwise “food ladders,” and oral immunotherapy (OIT). Particularly in early childhood (< 4 years), OIT studies show high desensitization rates and, in some cases, sustained tolerance. From a preventive perspective, AWMF (“Arbeitsgemeinschaft der Wissenschaftlichen Medizinischen Fachgesellschaften”) guidelines recommend the introduction of allergenic foods such as egg, fish, peanut, and tree nuts in age-appropriate forms from 4 months of age, alongside continued breastfeeding. The focus is shifting from restrictive avoidance to active, evidence-based tolerance management—improving both safety and quality of life for affected children and their families.