Almost all infants are fussy at times. But some are excessively fussy because they have an allergy to the protein in cow's milk, which is the basis for most commercial baby formulas. A person of any age can have a milk allergy, but it's more common among infants (about 2% to 3% of babies), though most outgrow it.If you think that your child has a milk allergy, talk with your doctor about testing and alternatives to milk-based formulas and dairy products.........click for more

 Source Web Page: Kids health.org