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This page explains what allergies are, types of allergens, the signs and symptoms of allergies, and also the causes. It also gives examples of common allergies and what to do if your child has an allergic reaction.

Key points

  • An allergy is the immune system’s over-reaction to a substance that is generally not harmful to most people.
  • If you suspect that your child has an allergy, an allergist can do tests to find out exactly what is causing the allergy and discuss with you how to manage these allergies.
  • To reduce your child’s exposure to airborne allergens, have a pet-free home and remove carpeting.
  • To manage a food allergy, make sure your child avoids all foods they are allergic to, learns how to read food labels and ask about the ingredients in served food.
  • If your child has a severe allergy, tell their teachers and other caregivers.
  • If you suspect your child is having an anaphylactic reaction, give epinephrine (if available) and call 911.
Last updated: March 23rd 2021