Food allergies

Food allergy affects around 10% of kids. Many will grow out of these allergies in late childhood due to the development of their immune system, particularly allergies to milk and eggs. Some children have a higher risk of developing a food allergy, but when introducing high-allergen foods, the approach is the same for all children.

The most common allergens

  • egg
  • peanut
  • cow’s milk (dairy)
  • tree nuts (cashews, almond walnuts etc)
  • soy
  • sesame
  • wheat
  • fish and other seafood (i.e. shellfish)

The best way to reduce the risk of food allergies is to offer high-allergen foods early and frequently.

Tips for introducing high-allergen foods

  • Give only one high-allergen food at a time. This makes it easier to identify what food caused the allergy and offer it 2-4 times separately before adding to the overall diet (non-high allergen foods can be offered together).
  • Give high-allergen foods earlier in the day - and if possible, when another person is around.
  • Give only a small amount when offering for the first time. Peanuts - small amount (1/4 tsp) mixed into yoghurt or in milk. Eggs - in baked goods or a small amount of cooked egg.

The signs of a food allergy are the same as for any allergy.

If your infant already has an allergic disease (such as severe eczema or food allergy), you should discuss what specific measures might be useful with your healthcare provider.

What is the difference between sensitivity and an allergy?

When you have a food allergy, your immune system causes the reaction. If you have a food sensitivity or intolerance, the reaction is triggered by the digestive system.

Symptoms of food intolerance occur over hours/days and include gas, bloating, diarrhoea, constipation, cramping, and nausea, irritability, fussiness, over-activity and awaking throughout the night, frequent regurgitation of foods, nasal and/or chest congestion, and red, chapped or inflamed eczema-like skin rash

Symptoms of food allergy occur immediately or within an hour & include hives, swelling, itching and anaphylaxis.