Find out what happens when the immune system reacts abnormally to proteins in milk, causing allergic signs and symptoms such as hives and.
Lactose intolerance and dairy allergy are not the same thing. Lactose intolerance is common in adults – about 30 million Americans have it.
However, some people do not outgrow these symptoms and continue to be allergic as adults. It is unusual to develop an allergy to milk proteins.
Having a milk allergy can be dangerous. Learn about milk allergy causes, symptoms and treatment.