2 doctors weighed in:
Is it possible to suddenly be lactose intolerant when I wasn't before?
2 doctors weighed in

David Miller
Family Medicine
1 doctor agrees
In brief: Yes but...
Lactose intolerance can present later in life for a number of reasons, including intestinal injury due to viral illness or other problems.
However, before you give up ice cream, you need to be carefully evaluated as other things like inflammatory bowel disease (crohn's disease, ulcerative colitis, etc) can produce similar symptoms. See your doc for a thorough exam and work-up.

In brief: Yes but...
Lactose intolerance can present later in life for a number of reasons, including intestinal injury due to viral illness or other problems.
However, before you give up ice cream, you need to be carefully evaluated as other things like inflammatory bowel disease (crohn's disease, ulcerative colitis, etc) can produce similar symptoms. See your doc for a thorough exam and work-up.
David Miller
David Miller
Answer assisted by David Miller, Medical Student
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