Why does milk allergy occur?
Many protein allergens in milk can cause allergic reactions; Casein and whey are the two main components in milk. While curd that forms when milk is left to sour is called casein, the watery part which is left when the curd is removed is called whey. Casein accounts for at least 80% of protein in milk and the other allergen found is cheese. Whey accounts for the other 20% of milk. This consists of two main allergenic proteins – alpha lactalbumin and beta lactaglobulin. When the immune system of the infant mistakes milk protein for something that the body should fight off, a milk allergy occurs. The allergic reaction that results can cause an infant to be fussy and irritable. It can upset the stomach. However, infants who are breast feed have a much lower risk of developing a milk allergy than those who use formula feed. Typically, such milk allergies go away in the natural process when the child is between 3 and 5 years of age. There are instances when some kids never outgrow it. The t
