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4A85.04 Multiple drug hypersensitivity syndrome

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Multiple drug hypersensitivity syndrome is defined as drug allergies to two or more chemically different drugs. It differs from cross-reactivity (due to structural similarities, common metabolic pathways, or pharmacological mechanisms), flare- up reactions (exacerbation of an existing drug allergy by the early switch of therapy to a novel drug), and multiple drug intolerance syndrome.

synonyms

• Multiple drug hypersensitivity syndrome

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