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Related Concept Videos

Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

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Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin,...
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Drug Toxicity: Allergic Reactions01:30

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Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial...
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Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
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Updated: Apr 5, 2026

Measuring Local Anaphylaxis in Mice
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Anaphylaxis Guidelines.

Dana V Wallace1, Elham M Hossny2, Michael Levin3

  • 1Department of Medicine, Dr. Kiran C. Patel College of Allopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL, USA.

Immunology and Allergy Clinics of North America
|April 3, 2026
PubMed
Summary
This summary is machine-generated.

This review of anaphylaxis guidelines shows consensus on epinephrine use but highlights differences in definitions and care. It calls for proactive, equitable management strategies to address existing gaps.

Keywords:
AdrenalineAnaphylaxisClinical guidelinesDiagnostic criteriaEmergency action planEpinephrineEpinephrine auto-injectorGRADE

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Area of Science:

  • Allergy and Immunology
  • Clinical Practice Guidelines
  • Public Health

Background:

  • Anaphylaxis is a severe, life-threatening allergic reaction requiring prompt management.
  • International guidelines evolve, impacting clinical practice and patient outcomes.
  • Variability in guidelines necessitates a comparative analysis to identify best practices.

Purpose of the Study:

  • To compare 12 national and international anaphylaxis guidelines published from 2006 to 2025.
  • To identify evolving trends in methodological frameworks, diagnostic criteria, and treatment strategies.
  • To pinpoint persistent gaps in anaphylaxis care and management.

Main Methods:

  • Systematic comparison of 12 selected anaphylaxis guidelines.
  • Analysis of guideline publication dates, scope, and recommendations.
  • Qualitative synthesis of evolving themes and persistent disparities.

Main Results:

  • Strong consensus exists on the immediate administration of epinephrine for anaphylaxis.
  • Significant variations persist in guideline definitions, risk stratification, and post-acute care recommendations.
  • Identified gaps include anaphylaxis education, pediatric care protocols, and global guideline harmonization.

Conclusions:

  • Anaphylaxis management is shifting towards a proactive, evidence-based approach.
  • Addressing identified gaps is crucial for improving anaphylaxis care globally.
  • Future guidelines should prioritize equity and standardization for better patient outcomes.