Irritable Bowel Syndrome (IBS) - Diagnosis and Management ...

Irritable Bowel Syndrome (IBS) - Diagnosis and Management Summary

 • Definition (per Rome IV Criteria): recurrent abd discomfort ≥ 1x/wk on average for 3 months a/w 2+ of the following: 

     (1) related to defecation

     (2) change in stool frequency

     (3) change in stool form. No nocturnal pain, weight loss, bleeding, elevated ESR/CRP.

 • Epidemiology: ↑ risk w/ younger age, ♀ > ♂, psychosocial stressors, low QoL, hypochondriasis; bacterial gastroenteritis may be trigger.

 • Types: IBS-C (constipation-predominant), IBS-D (diarrhea-predominant), IBS-M (mixed), IBS-U (unclassified), by Bristol Stool Score

 • Treatment: exercise, diet modification, cognitive-behavioral therapy; laxatives (lubiprostone, linaclotide, PEG) for IBS-C; rifaximin, luxadoline,loperamide for IBS-D (limited data) 

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