When do babies return to a normal diet

Although cow’s milk allergy is the most common food allergy in under 3 year olds, the good news is that more than three-quarters of babies with cow’s milk allergy grow out of it later on in early childhood. When a baby has grown out of cow’s milk allergy they can consume cow’s milk without allergic reactions - in other words, they can return to a normal diet.

Most babies with cow’s milk allergy will be able to consume cow’s milk without allergic reactions by the time they reach 3–5 years of age. For uncomplicated non-IgE-mediated cow’s milk allergy, the majority of babies will return to a normal diet by 3 years of age. For IgE-mediated cow’s milk allergy, the average age that a baby will be able to return to a normal diet is when they reach 5 years old.

If your baby is diagnosed with cow’s milk allergy, a healthcare professional will advise you when and how to test whether they have started to grow out of their allergy. In the meantime, suitable dietary changes would be advised by a healthcare professional to manage the allergy.

Occurs when the body’s immune system overreacts to a harmless substance known as an allergen. Babies with cow’s milk allergy have allergic reactions to cow’s milk protein, such as colic (due to cow’s milk allergy), hives, skin rashes and respiratory and digestive problems.
Immunoglobulin E. A class of antibodies produced by the immune system that triggers many of the signs of allergic reactions. IgE antibody levels are often high in children with an allergy.

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