Understanding the Evolving Landscape: New Nomenclature for Allergic Diseases and Hypersensitivity Reactions

Recent advances in immunology have deepened our understanding of allergic diseases and hypersensitivity reactions. Traditionally classified using the Gell-Coombs system (Types I-IV), the increasing complexity of these conditions has led to a proposed new nomenclature, especially for Type IV hypersensitivity. This blog provides an overview of the new classification and its clinical implications. Overview of Traditional Hypersensitivity Classification The Gell-Coombs classification includes:   Here are the novel classifications of hypersensitivity reactions according to the new European Academy of Allergy and Clinical Immunology Position Paper published in Allergy. 2023 Nov;78(11):2851-2874. and…

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