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How Do We Test for Irritable Bowel Syndrome?
Published: Mar 23, 2024
Irritable Bowel Syndrome (IBS) can be tricky to diagnose without a clear test. Let's explore how doctors identify this common condition.
The Role of Symptom Criteria
Without a specific lab test for IBS, doctors rely on symptom-based criteria like the Rome IV standards. These criteria include recurrent abdominal pain tied to bowel movements and changes in stool frequency or form. This approach helps doctors differentiate IBS from other similar conditions.
Initial Testing Procedures
Doctors start with a complete medical history and physical examination. They look for signs of other diseases and may perform basic tests like a complete blood count. For diarrhea-predominant IBS, additional tests for infections or celiac disease may be necessary.
Further Testing for Alarm Features
In patients with concerning symptoms like rectal bleeding or unexplained weight loss, further testing is conducted. This might include endoscopy or imaging studies to rule out other serious conditions. These tests ensure that any underlying diseases are not overlooked.
Frequently Asked Questions
No, diagnosis is based on symptom criteria instead.
Tests for infections and celiac disease are commonly performed.
Only patients with alarm features may need further testing.
Features like rectal bleeding or unexplained weight loss.
Wrapping Up
Identifying IBS involves careful evaluation of symptoms and strategic testing.
References
- American College of Gastroenterology Task Force on Irritable Bowel Syndrome, Brandt LJ, Chey WD, et al. An evidence-based position statement on the management of irritable bowel syndrome. Am J Gastroenterol 2009; 104 Suppl 1:S1.
- Smalley W, Falck-Ytter C, Carrasco-Labra A, et al. AGA Clinical Practice Guidelines on the Laboratory Evaluation of Functional Diarrhea and Diarrhea-Predominant Irritable Bowel Syndrome in Adults (IBS-D). Gastroenterology 2019; 157:851.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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