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Hypersensitivities

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...

Allergic Reactions

Allergic Reactions

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Related Experiment Video

Updated: Jan 29, 2026

Basophil Activation Test for Investigation of IgE-Mediated Mechanisms in Drug Hypersensitivity

Basophil Activation Test for Investigation of IgE-Mediated Mechanisms in Drug Hypersensitivity

Published on: September 16, 2011

NSAID Hypersensitivity

Mario Sánchez-Borges¹, Hae-Sim Park²

¹Allergy and Clinical Immunology Department, Centro Médico Docente La Trinidad and Clínica El Avila, Caracas, Venezuela.

The Journal of Allergy and Clinical Immunology. in Practice

|February 6, 2019

Summary

No abstract available in PubMed .

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Last Updated: Jan 29, 2026

Basophil Activation Test for Investigation of IgE-Mediated Mechanisms in Drug Hypersensitivity

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Published on: September 16, 2011

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Published on: September 26, 2022

Establishment of a Mouse Model with Cough Hypersensitivity via Inhalation of Citric Acid

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Published on: January 10, 2025