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Cross-reactivity

Cross-reactivity

Allergic Reactions

Allergic Reactions

Vaccinations

Vaccinations

Allergic Drug Reactions

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...

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, heparin),...

Vaccines

Vaccines

Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...

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

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

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[Vaccination with allergens in children].

P Demoly¹, H Dhivert-Donnadieu, J Bousquet

¹Service des Maladies Respiratoires-INSERM U454-IFR3-Hôpital Arnaud de Villeneuve-CHU de Montpellier-34295 Montpellier.

Allergie Et Immunologie

|February 24, 2001

Summary

Specific immunotherapy, a long-standing treatment for respiratory allergies, is most effective in younger patients. Its proven efficacy in allergic rhinoconjunctivitis and asthma supports its role in childhood allergy management.

Area of Science:

Allergy and Immunology
Respiratory Medicine
Pharmacology

Context:

Specific immunotherapy (SI) has been utilized for respiratory allergic diseases since 1911.
Efficacy is notably higher in pediatric and young adult populations compared to older individuals.
Established efficacy in allergic rhinoconjunctivitis and allergic asthma through double-blind, placebo-controlled studies.

Purpose:

To review the established role and advancements in specific immunotherapy for childhood respiratory allergies.
To highlight the factors contributing to the continued relevance of SI in pediatric allergy care.

Summary:

Specific immunotherapy (allergen vaccination) is a recognized treatment for respiratory allergies.
Studies confirm its effectiveness in allergic rhinoconjunctivitis and asthma, particularly in younger individuals.

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Improvements in allergen extracts, understanding mechanisms, administration routes, and guidelines solidify its therapeutic value.

Impact:

Reinforces the established role of specific immunotherapy in the management of childhood allergic respiratory diseases.
Highlights the importance of standardized allergen extracts and optimized administration for effective treatment.
Emphasizes the long-term benefits of immunotherapy in improving quality of life for children with allergies.