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Irritable Bowel Syndrome

Marie L. Borum, MD, EdD, MPH, MACP, FACG, AGAF and Karan Chawla, MD Reviewed 06/2020
 


BASICS

DESCRIPTION

  • A gastrointestinal disorder characterized by

    • Chronic and/or recurrent abdominal pain or discomfort, bloating and distension, and alteration in bowel habits in the absence of an organi...

DIAGNOSIS

HISTORY

  • Rome IV criteria: recurrent abdominal pain >1 day/week, on average, in the previous 3 months with an onset >6 months before diagnosis

  • Abdominal pain and at least two of the follo...

TREATMENT

  • Goals: Relieve symptoms, improve quality of life (2)

    • Determine if diarrhea-predominant, constipation-predominant, or mixed type.

  • Lifestyle modification

    • Exercising 3 to 5 times per week decrease...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

The IBS Severity Scoring System is a validated measure to assess the severity of IBS symptoms and can help monitor response to treatment. 
  • IBS Se...

REFERENCES

1
Rezaie A, Park SC, Morales W, et al. Assessment of anti-vinculin and anti-cytolethal distending toxin B antibodies in subtypes of irritable bowel syndrome. Dig Dis Sci.  2017;62(6):14...

ADDITIONAL READING

SEE ALSO

Algorithm: Diarrhea, Chronic 

CODES

ICD10

  • K58.9 Irritable bowel syndrome without diarrhea

  • K58.0 Irritable bowel syndrome with diarrhea

  • K58 Irritable bowel syndrome

  • K58.8 Other irritable bowel syndrome

  • K58.1 Irritable bowel syndrome wit...

CLINICAL PEARLS

  • Use Rome III criteria to establish the diagnosis of IBS.

  • A comprehensive history and physical exam with targeted laboratory testing can establish the diagnosis of IBS in most patients.

  • G...

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