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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...

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Related Experiment Video

Updated: May 9, 2026

A Step-by-Step Guide to Mosquito Electroantennography
06:39

A Step-by-Step Guide to Mosquito Electroantennography

Published on: March 10, 2021

[Mosquito allergy].

Henrikki Brummer-Korvenkontio1, Timo Reunala

  • 1Terveyden ja hyvinvoinnin laitos.

Duodecim; Laaketieteellinen Aikakauskirja
|August 2, 2013
PubMed
Summary
This summary is machine-generated.

Mosquito bites cause common skin reactions in Finns, ranging from wheals to itching papules. Antihistamines can effectively treat both immediate and delayed mosquito allergy symptoms.

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Last Updated: May 9, 2026

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Area of Science:

  • Immunology
  • Dermatology
  • Allergology

Context:

  • Mosquito bite sensitization is nearly universal in Finland, beginning in childhood.
  • Skin reactions manifest as urticarial wheals or persistent papules, peaking in early summer.
  • While allergic shock is rare, immediate symptoms stem from mosquito saliva proteins triggering IgE antibody production.

Purpose:

  • To describe the clinical manifestations of mosquito bite allergy.
  • To elucidate the immunological mechanisms behind immediate symptoms.
  • To identify treatment options for mosquito bite allergy.

Summary:

  • Immediate mosquito bite allergy symptoms are mediated by mosquito saliva proteins inducing Immunoglobulin E (IgE) antibody production.
  • The mechanism underlying delayed symptom onset remains largely unknown.
  • Both immediate and delayed allergic reactions to mosquito bites can be managed with antihistamine medications.

Impact:

  • Provides a comprehensive overview of mosquito bite allergy in the Finnish population.
  • Highlights the immunological basis of immediate hypersensitivity reactions.
  • Confirms the efficacy of antihistamines for symptom relief, improving patient quality of life.