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Irritable Bowel Syndrome

Irritable Bowel Syndrome is a topic covered in the 5-Minute Emergency Consult.

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  • Syndrome of abdominal pain or discomfort associated with altered bowel habits and no other pathology explaining symptoms
  • Prevalence estimated to be 10–20%


  • Uncertain pathophysiology, but many possibilities
  • Altered GI motility:
    • Increased gut sensitivity (visceral hyperalgesia):
      • Exaggerated response to normal GI physiology
  • Mucosal inflammation:
    • Postinfectious:
      • After bacterial enteritis, 10% have persistent IBS symptoms
  • Mucosal lymphocyte infiltration
  • Altered microflora in small bowel or feces
  • Food sensitivity is a possibility but not proven
  • Psychosocial dysfunction:
    • More anxiety, somatoform disorders, and history of abuse in patients who seek care
    • No evidence of increased psychiatric illness in those who do not seek care

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TY - ELEC T1 - Irritable Bowel Syndrome ID - 307705 ED - Barkin,Adam Z, ED - Barkin,Roger M, ED - Hayden,Stephen R, ED - Rosen,Peter, ED - Schaider,Jeffrey J, ED - Shayne,Philip, ED - Wolfe,Richard E, BT - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307705/all/Irritable_Bowel_Syndrome PB - Lippincott Williams & Wilkins ET - 5 DB - Emergency Central DP - Unbound Medicine ER -