Disease Database Drug Database Alt. For example, if you are allergic to milk protein, you need to look for sodium caseinate or casein on the ingredient list.
Food allergies are most common in children.
Their digestive systems are more likely to absorb large protein particles that can cause allergies. Most children eventually outgrow their food allergies. A person with a milk allergy must avoid all milk protein, even the small amount found in a slice of bread. A person with a lactose intolerance may be able to eat some cheeses and drink modified milk. A lactose intolerance means the person does not have enough of the lactase enzyme to digest the sugar, lactose, in milk.