A 42-year-old member asked:
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could you become lactose intolerant?

1 doctor answer
Dr. Elizabeth Yen
20 years experience Pediatric Gastroenterology
Yes: Lactose intolerance can develop in adulthood. It can be primary loss of lactase enzyme activity which is genetically programmed. It can also be secondary, due to injury of the small intestine by another disease such as celiac disease.
Answered on Oct 9, 2017
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Related questions:

A 43-year-old member asked:
Dr. Hillel Naon
43 years experience Pediatric Gastroenterology
Yes: Avoid lactose and see if your symptoms improve and see you doctor.
A 34-year-old member asked:
Dr. Anatoly Belilovsky
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Yes.: In many people, levels of lactase (the enzyme you need to digest lactose) fall with age.
A 45-year-old member asked:
Dr. Elizabeth Yen
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Possible: Lactose intolerance results from the inability to fully digest lactose. The sugar is then fermented by bacteria in the intestines which produce excess ... Read More
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A 32-year-old female asked:
Dr. Peter Denk
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Yes, see a doctor: You could have celiac disease, or sprue, which is essentially an allergy to gluten. There are specific tests for this and you should see your internis ... Read More
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8 thanks

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