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Food Allergies

Last updated: December 9, 2024

Overview

A food allergy is when the immune system mistakes a protein in a food as harmful and triggers an allergic reaction. Whether you or someone in your care has an allergy, making safe food choices that support good health can be hard. Learn about prevention, testing and management, as well as how to treat a severe allergic reaction.

Prevention

Food allergies and allergic conditions such as eczema and hay fever tend to run in families. Learn how to reduce your baby’s risk of developing food allergies: 

Testing

Find out how food allergies are diagnosed and the tests that are available to help:

Treatment

Some people with food allergy are at risk of having a severe allergic reaction. Learn about the signs of a severe allergic reaction and how to treat it immediately. Also find resources for school staff, parents and adult care facilities:

Useful resources

Government of Canada
Information about food allergies including risks, symptoms and how to avoid food-based allergic reactions.

Food Allergy Canada 

A non-profit dedicated to helping Canadians with food allergies live with confidence.