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HealthInfo West Coast-Te Tai Poutini

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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Written by HealthInfo clinical advisers. Last reviewed February 2016.

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: 536042

Review key: HIALL-38559