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A 39-year-old member asked:

Can any doc tell me what's the difference between being allergic to milk and being lactose intolerant?

1 doctor answer1 doctor weighed in
Dr. Michael Palumbo
Allergy and Immunology 24 years experience
Yes: milk allergy is a reaction to the milk protein and can cause vomiting, diarrhea as well as skin rash and in some cases more severe anaphylactic type reactions. Lactose intolerance is a reaction to the sugar in milk and causes bloating, gas and diarrhea.
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Last updated Jul 23, 2014

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