Most reactions to milk are mistakenly considered to be lactose intolerance.
Lactose intolerance is when you have a deficiency in the enzyme lactase. Lactase is needed in order to digest the sugar component in milk called lactose.
Many people are lactose intolerant, but millions more have an immune reaction to dairy. Unfortunately, most people don't recognize that there is a difference between the two issues.
How can you tell if you have an allergy or an immune reaction?
Stephen Wangen, MD, shares the difference between lactose intolerance and an immune reaction.