The appearance of a child in the light is not only a joyful and long-awaited moment, but also new worries, worries for parents. Already from the first days of a newborn's life, a lot of negative factors lie in wait, each of which can lead to the development of complex diseases. Allergy in infants, just the moment when it is necessary to pay special attention to the environment of the child and the behavior of the mother, in the first place.