Hypersensitivity

Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen.

Year introduced: 1966

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Do not include MeSH terms found below this term in the MeSH hierarchy.

Tree Number(s): C20.543

MeSH Unique ID: D006967

Entry Terms:

• Hypersensitivities
• Allergy
• Allergies
• Allergic Reaction
• Allergic Reactions
• Reaction, Allergic
• Reactions, Allergic

See Also:

• Desensitization, Immunologic
• Multiple Chemical Sensitivity
• Anti-Allergic Agents

All MeSH Categories
Diseases Category
Immune System Diseases
Hypersensitivity
Asthma-Chronic Obstructive Pulmonary Disease Overlap Syndrome
Environmental Illness
Multiple Chemical Sensitivity
Sick Building Syndrome
Hypersensitivity, Delayed
Acute Generalized Exanthematous Pustulosis
Dermatitis, Allergic Contact +
Drug Fever
Drug Hypersensitivity Syndrome
Sarcoidosis +
Stevens-Johnson Syndrome
Hypersensitivity, Immediate
Anaphylaxis
Asthma, Aspirin-Induced
Conjunctivitis, Allergic
Dermatitis, Atopic
Eosinophilic Esophagitis
Exercise-Induced Allergies +
Food Hypersensitivity +
Respiratory Hypersensitivity +
Urticaria +
Venom Hypersensitivity
Immune Complex Diseases
Arthus Reaction
IgA Vasculitis
Vasculitis, Leukocytoclastic, Cutaneous
Kounis Syndrome
Latex Hypersensitivity
Wissler's Syndrome