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Abingdon, MD
A 31-year-old female asked:

with lactose intolerance, would having a vanilla milkshake cause you to experience rumbling in your stomach, bloating & the urge to have a bowel movement? and how long after the milkshake would you start to experience those issues?

1 doctor answer1 doctor weighed in
Dr. James Ferguson
Pediatrics 46 years experience
Likely/hours: As such liquids will pass into the small intestine within 1- 2 hours. Symptoms may begin as soon as the material is being processed in these areas. Lactose acts like an osmotic laxative if it is consumed without the lactase enzyme (available as "lactaid").

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Last updated Sep 21, 2020

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