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What tests are used to diagnose irritable bowel syndrome?

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  • Your doctor may do some of the following tests to decide if you have irritable bowel syndrome: Flexible sigmoidoscopy or colonoscopy to look for signs of blockage or inflammation in your intestines
  • Upper endoscopy if you have heartburn or indigestion
  • X-rays
  • Blood tests to look for anemia (too few red blood cells), thyroid problems, and signs of infection
  • Stool tests for blood or infections
  • Tests for lactose intolerance, gluten allergy, or celiac disease Tests to look for problems with your bowel muscles

From: Irritable Bowel Syndrome WebMD Medical Reference

SOURCES: National Digestive Diseases Information Clearinghouse. Irritable Bowel Syndrome Association. FDA.


Reviewed by Minesh Khatri on March 25, 2018

SOURCES: National Digestive Diseases Information Clearinghouse. Irritable Bowel Syndrome Association. FDA.


Reviewed by Minesh Khatri on March 25, 2018

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