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Irritable Bowel Syndrome

Marie L. Borum, MD, EdD, MPH, Joan Elizabeth Smith, DNP and Zeina M. Bani Hani, MBBS Reviewed 04/2024
 


BASICS

DESCRIPTION

  • A gastrointestinal disorder characterized by: chronic and recurrent abdominal pain, and altered bowel habits in the absence of an organic cause

  • May be characterized as diarrhea-predom...

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 associated with at least two of the followi...

TREATMENT

  • The main goals of management are to relieve symptoms and improve quality of life (3). Therapy should be aimed at specific subtype of IBS.

  • Psychosocial therapy: goal should be to decrease str...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

The IBS Severity Scoring System is validated to assess severity response to treatment. 

DIET

  • A low FODMAP diet; fermentable oligosaccharides, disa...

REFERENCES

1
Lacy BE, Pimentel M, Brenner DM, et al. ACG Clinical Guideline: Management of Irritable Bowel Syndrome. Am J Gastroenterol. 2021;116(1):17-44.
2
Kurin M, Cooper G. Irritable bowel syndrome w...

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

  • K58.1 Irritable bowel syndrome with constipation

  • K58.2 Mixed irritable ...

CLINICAL PEARLS

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

  • Goals of treatment are to relieve symptoms and improve quality of life.

  • Many patients can successfully manage their symptoms with ...

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