Allergic reactions occur when a person's immune system has a reaction to usually harmless substances in the environment. Allergies can be deadly, what is common and ordinary to one child may be harmful to another.
Reactions are different from child to child and allergy; shortness of breath, itchiness, hives, runny nose just to name a few. At worst, allergies can be fatal.
Does your child have any allergies? and how do you find out if your child has an allergy?
Allergy testing is the definitive guide. You may have your suspicions if your child develops a rash or itch eyes repetitively. Allergies can also run in the family so take note if your child has any sort of reaction to allergens that you or any other member of the family may have.