From anaphylaxis to eosinophilic esophagitis during omalizumab treatment in a boy with severe asthma and food allergy: a case report - Takeaways - MDSpire

From anaphylaxis to eosinophilic esophagitis during omalizumab treatment in a boy with severe asthma and food allergy: a case report

  • By

  • Urszula Jedynak-Wąsowicz

  • Liliana Klim

  • Ewa Cichocka-Jarosz

  • May 29, 2026

  • 0 min

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  • 1

    Eosinophilic esophagitis (EoE) is a chronic inflammatory disease linked to atopic conditions and can manifest during dietary liberalization.

  • 2

    A pediatric patient with severe asthma and cow's milk allergy developed EoE while receiving omalizumab therapy after liberalizing his diet.

  • 3

    The patient tolerated less processed dairy for months but later experienced recurrent vomiting and anaphylaxis after consuming ice cream.

  • 4

    Diagnosis of EoE was confirmed through upper endoscopy and histological examination, leading to treatment with proton pump inhibitors and budesonide.

  • 5

    This case emphasizes the need for awareness of EoE in atopic patients with gastrointestinal symptoms during dietary changes.

Original Source(s)

From anaphylaxis to eosinophilic esophagitis during omalizumab treatment in a boy with severe asthma and food allergy: a case report

  • by Urszula Jedynak-Wąsowicz, Liliana Klim, Ewa Cichocka-Jarosz

  • May 29, 2026

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