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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

Overview
Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

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, heparin),...
Allergic Drug Reactions01:27

Allergic Drug Reactions

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 numerous...
Hypersensitivities01:30

Hypersensitivities

Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
Drug Toxicity: Allergic Reactions01:30

Drug Toxicity: Allergic Reactions

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 exposure to a...
Hypersensitivity Reactions: Immune-Complex Reactions01:19

Hypersensitivity Reactions: Immune-Complex Reactions

Type III hypersensitivity reactions occur when antigen–antibody complexes form and activate the complement system. Normally, these complexes help the clearance of antigens by phagocytes and red blood cells. However, when large numbers of immune complexes are present, they can deposit in tissues—particularly in the walls of blood vessels—leading to inflammation and tissue injury. These deposits trigger complement activation and neutrophil recruitment, resulting in serum sickness, a systemic...

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Related Experiment Video

Updated: May 29, 2026

A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma
06:34

A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma

Published on: June 4, 2017

Insect allergy.

James M Tracy1

  • 1Creighton University College of Medicine, Omaha, NE, USA. jmtracy@cox.net

The Mount Sinai Journal of Medicine, New York
|September 14, 2011
PubMed
Summary
This summary is machine-generated.

Insect sting anaphylaxis is a severe allergic reaction. Venom immunotherapy offers up to 98% protection against future reactions, unlike other allergy treatments.

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Related Experiment Videos

Last Updated: May 29, 2026

A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma
06:34

A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma

Published on: June 4, 2017

Basophil Activation Test for Allergy Diagnosis
07:22

Basophil Activation Test for Allergy Diagnosis

Published on: May 31, 2021

Removal and Replacement of Endogenous Ligands from Lipid-Bound Proteins and Allergens
09:09

Removal and Replacement of Endogenous Ligands from Lipid-Bound Proteins and Allergens

Published on: February 24, 2021

Area of Science:

  • Allergy and Immunology
  • Toxicology

Background:

  • Anaphylaxis is a severe, life-threatening allergic reaction.
  • Common triggers include food, medications, and insect stings.
  • Insect sting allergy is uniquely treatable beyond avoidance.

Purpose of the Study:

  • To highlight the critical need for understanding insect sting allergy diagnosis and long-term management.
  • To emphasize the efficacy of venom immunotherapy for Hymenoptera allergy.
  • To stress the importance of epinephrine use in acute anaphylaxis.

Main Methods:

  • Diagnosis relies on patient history of systemic reaction and venom-specific immunoglobulin E testing.
  • Treatment involves immediate epinephrine for acute reactions.
  • Long-term management includes referral to an allergist and potential venom immunotherapy.

Main Results:

  • Venom immunotherapy provides up to 98% protection against future Hymenoptera sting reactions.
  • Epinephrine, the primary treatment for acute anaphylaxis, is underutilized.
  • Understanding insect biology aids in avoidance strategies.

Conclusions:

  • Hymenoptera venom immunotherapy is a highly effective disease-modifying therapy for insect sting allergy.
  • Prompt diagnosis and appropriate management, including immunotherapy, are crucial for preventing severe outcomes.
  • Healthcare providers and the public need increased awareness of insect sting allergy protocols.