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Rapid Clinical Response to Omalizumab Treatment in Pediatric Acute Urticaria Associated with Mycoplasma Infection: A
Zhen-Li Wu1,2, Yi-Siang Huang3, Chien-Ting Chiang4
1Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.
Abstract:
Background and Clinical Significance: Urticaria in children is generally self-limiting, and infections are a significant trigger. While anti-IgE therapy (Omalizumab) is approved for chronic spontaneous urticaria (CSU) in adolescents and adults, its role in treating acute urticaria, particularly in children, is not well defined. Case Presentation: We present two pediatric cases of acute urticaria associated with Mycoplasma pneumoniae infection. Both cases were refractory to antihistamines and corticosteroids but showed rapid response with anti-IgE treatment. Conclusions: This is the first case report in the literature of pediatric acute urticaria treated with Omalizumab. These cases suggest a potential role for IgE-mediated pathways in acute urticaria related to Mycoplasma infection and raise the question of broader applications for Omalizumab beyond CSU.
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