Stephen J. Schueler, M.D.

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Lactose Intolerance Evaluation

The evaluation of lactose intolerance begins with a history and physical exam.

Physical findings in someone with lactose intolerance may include:

Tests that may be used to evaluate lactose intolerance include:
  • Elimination test:
    • Eliminate dairy products from the diet and watch for symptom improvement
  • Lactose breath test
  • Lactose tolerance test
  • Milk tolerance test
  • Small bowel biopsy
  • Colonoscopy:
    • Allows a doctor to look inside, take tissue specimens, and remove any questionable growths or intestinal polyps.
  • Upper GI endoscopy:
    • Allows direct inspection of the stomach and duodenum

Continue to Lactose Intolerance Treatment

Last Updated: Dec 17, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Lactose Intolerance References
  1. Lovelace HY, Barr SI. Diagnosis, symptoms, and calcium intakes of individuals with self-reported lactose intolerance. J Am Coll Nutr. 2005 Feb;24(1):51-7. [15670985]
  2. Suarez FL, Savaiano DA, Levitt MD. Review article: the treatment of lactose intolerance. Aliment Pharmacol Ther. 1995 Dec;9(6):589-97. [8824645]
  3. Swagerty DL Jr, Walling AD, Klein RM. Lactose intolerance. Am Fam Physician. 2002 May 1;65(9):1845-50. [12018807]
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