Allergy to cow's milk is the most prevalent form of food allergy that primarily affects children. Most infants and babies fortunately outgrow cow's milk allergy during their second to third year of formula milk intake.
Like most allergies, cow's milk allergies is not curable, but rather, they are treatable. In that sense, people and children born with it should live with dairy-free diets all their lives to avoid cow's milk allergies.
A close look at cow's milk