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Functional diarrhea.

Jan Tack1

  • 1Department of Clinical and Experimental Medicine, Translational Research Center for Gastrointestinal Disorders (TARGID), University of Leuven, Leuven, Belgium. jan.tack@med.kuleuven.ac.be

Gastroenterology Clinics of North America
|August 25, 2012
PubMed
Summary
This summary is machine-generated.

Functional diarrhea, characterized by loose stools without a clear cause, often involves rapid intestinal transit. Management focuses on dietary changes to slow transit and identify trigger foods.

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Area of Science:

  • Gastroenterology
  • Clinical Medicine

Background:

  • Chronic diarrhea presents a significant clinical challenge, with a subset diagnosed as functional diarrhea when no organic cause is found.
  • Functional diarrhea is defined by persistent loose stool consistency and chronicity, excluding concurrent irritable bowel syndrome.
  • Pathophysiology may involve accelerated intestinal transit, potentially exacerbated by stress or post-infectious triggers.

Purpose of the Study:

  • To define functional diarrhea based on consensus criteria.
  • To elucidate the underlying pathophysiology, including rapid intestinal transit.
  • To outline diagnostic and initial treatment strategies for functional diarrhea.

Main Methods:

  • Diagnostic work-up focuses on excluding underlying organic diseases.
  • Treatment initiation involves dietary modifications.
  • Dietary adjustments aim to reduce transit-enhancing nutrients and identify precipitating foods.

Main Results:

  • Functional diarrhea is a distinct clinical entity characterized by specific stool consistency and chronicity.
  • Rapid intestinal transit is a key pathophysiological factor.
  • Dietary interventions are the primary treatment approach.

Conclusions:

  • Functional diarrhea requires a systematic diagnostic approach to rule out organic causes.
  • Management strategies should address rapid transit and dietary triggers.
  • Further research into pathophysiology and targeted treatments is warranted.