Food allergy Food allergy Food allergy Food allergy common allergen Food allergy Food allergy Food allergy Food allergy Food allergy Food allergy Food allergy Food allergy Food allergy Food allergy Food allergy According to NHS Choices Food allergy Food allergy common allergen Food allergy Food allergy Food allergy Food allergy Food allergy Food allergy NHS Choices: Food allergy Food allergy Food allergy NHS Choices (2011) Food allergy Food allergy Food allergy NHS Choices: Food allergy common allergen Food allergy NHS Food allergy