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HealthInfo Canterbury

Allergies

Many New Zealanders have allergies. Allergies happen because the immune system reacts abnormally to otherwise harmless substances. They can range from causing mildly irritating symptoms to life-threatening anaphylaxis.

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In this section

Allergy testing

Allergic contact dermatitis

Allergies in children

Anaphylaxis (severe allergy)

Angioedema (facial swelling)

Hay fever

Hives (urticaria)

Oral allergy syndrome

Page reference: 38559

Review key: HIALL-38559