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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

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Overview
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Hypersensitivities01:30

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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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Chronic urticaria: profile from a reference center

Ana Carolina Miranda Carvalho Ferreira Fernandes de Souza1, Sérgio D Dortas Junior1, Guilherme Gomes Azizi1

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PubMed
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No abstract available in PubMed .

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