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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),...
Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs01:25

Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs

Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
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...
Asthma-I: Introduction01:29

Asthma-I: Introduction

Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
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...

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Related Experiment Video

Updated: Jun 19, 2026

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

Allergy prevention.

Cathleen Muche-Borowski1, Matthias Kopp, Imke Reese

  • 1Cathleen.Borowski@gmx.de

Deutsches Arzteblatt International
|November 6, 2009
PubMed
Summary
This summary is machine-generated.

Primary allergy prevention guidelines emphasize avoiding tobacco smoke, mold, and pets. New recommendations include fish consumption and weight management for reducing allergy risks.

Keywords:
allergyevidence-based medicineguidelineprevention

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Last Updated: Jun 19, 2026

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

Basophil Activation Test for Allergy Diagnosis
07:22

Basophil Activation Test for Allergy Diagnosis

Published on: May 31, 2021

Area of Science:

  • Allergy and immunology
  • Public health
  • Evidence-based medicine

Background:

  • Allergic conditions are increasingly prevalent in industrialized nations.
  • Effective primary prevention strategies are crucial for public health.
  • Current guidelines require regular evidence-based updates.

Purpose of the Study:

  • To update evidence-based recommendations for the primary prevention of allergic conditions.
  • To provide healthcare professionals with current guidance for allergy prevention advice.
  • To consolidate expert opinion and scientific literature into actionable recommendations.

Main Methods:

  • Systematic literature search of Cochrane and Medline databases (2003-2008).
  • Inclusion of relevant reviews, expert opinions, and appraisal of study quality and bias.
  • Consensus-based formal acceptance of revised recommendations by medical societies and patient groups.

Main Results:

  • Existing recommendations on avoiding tobacco smoke, mold, pets, and adhering to vaccination schedules were largely reaffirmed.
  • Delayed introduction of solids or avoidance of common allergens is not recommended for primary prevention.
  • New recommendations address fish consumption, overweight avoidance, and air pollutant reduction.

Conclusions:

  • The updated guideline provides current, evidence-based recommendations for allergy prevention.
  • This resource aids clinicians in advising patients on minimizing allergy risks.
  • The guideline reflects a consensus on best practices for primary allergy prevention.