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What is a food allergy?

A food allergy is caused when the body’s immune system mistakes an ingredient in food, usually a protein, as harmful and creates a defence system (antibodies) to fight it.  An allergic reaction occurs when the antibodies battle the ‘invading’ food. 
 
Although, it’s possible for a person to have an allergy to almost any food, the following foods account for almost 90% of all food-related allergic reactions:
 
  • Milk
  • Eggs
  • Peanuts
  • Tree nuts such as cashews and walnuts
  • Fish
  • Shellfish
  • Soya
  • Wheat
 
The only way to prevent a reaction and maintain control over your food allergy is to strictly avoid your trigger foods. To ensure that you maintain a well-balanced diet whilst avoiding your triggers you should speak to a registered dietician.
 
Find out more about the symptoms of food allergies

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