Irritable bowel syndrome: Difference between revisions

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==General==
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==Background==


- psychosocial factors
#psychosocial factors
#altered gut motility
#hypersensitive intestinal pain perception


- altered gut motility


- hypersensitive intestinal pain perseption
==Evaluation==




==Diagnosis==
===Criteria===


#Three months of [[Special:MyLanguage/abdominal pain|abdominal pain]]:
##relieved by defecation
##associated with change of stool freq
##related to a change in stool consistency
#AND, 2 or more of the following symptoms 25% of the time
##>3 bm per day or < 3 bm per week
##altered stool form
##altered stool passage
##passage of mucous
##bloating


CRITERIA- 3 months of pain:


- relieved by defecation
==Workup==


- assoc with change of stool freq
*Diagnosis of exclusion


- related to a change in stool consistency


==Differential Diagnosis==


AND 2-.or more sx for quarter of the days
*[[Special:MyLanguage/Post-infectious irritable bowel syndrome|Post-infectious irritable bowel syndrome]]
*See [[Special:MyLanguage/abdominal pain|abdominal pain]]


-> 3 bm per day or < 3 bm per wk


- altered stool form
==Management==


- altered stool passage
*Consider prescribing [[Special:MyLanguage/ondansetron|ondansetron]] up to 24 mg/d for IBS-D<ref>Garsed K, Chernova J, Hastings M, et al. A randomised trial of ondansetron for the treatment of irritable bowel syndrome with diarrhoea. Gut. 2014;63:1617-1625.</ref>
*Typical bowel regimen treatments for IBS-C
**May consider low-dose [[Special:MyLanguage/TCA|TCA]] if appropriate follow up with PCP will occur


- passage of mucous


- bloating
==See Also==


*[[Special:MyLanguage/Abdominal Pain|Abdominal Pain]]
*[[Special:MyLanguage/Postinfectious irritable bowel syndrome|Postinfectious irritable bowel syndrome]]


==Source ==


==External Links==


6/06 MISTRY


===Patient Information===


[http://digestive.niddk.nih.gov/ddiseases/pubs/ibs/ibs_508.pdf Irritable Bowel Syndrome] (National Digestive Diseases Information Clearinghouse)


==References==
<references/>


[[Category:GI]]
[[Category:GI]]
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Latest revision as of 23:14, 4 January 2026


Background

  1. psychosocial factors
  2. altered gut motility
  3. hypersensitive intestinal pain perception


Evaluation

Criteria

  1. Three months of abdominal pain:
    1. relieved by defecation
    2. associated with change of stool freq
    3. related to a change in stool consistency
  2. AND, 2 or more of the following symptoms 25% of the time
    1. >3 bm per day or < 3 bm per week
    2. altered stool form
    3. altered stool passage
    4. passage of mucous
    5. bloating


Workup

  • Diagnosis of exclusion


Differential Diagnosis


Management

  • Consider prescribing ondansetron up to 24 mg/d for IBS-D[1]
  • Typical bowel regimen treatments for IBS-C
    • May consider low-dose TCA if appropriate follow up with PCP will occur


See Also


External Links

Patient Information

Irritable Bowel Syndrome (National Digestive Diseases Information Clearinghouse)


References

  1. Garsed K, Chernova J, Hastings M, et al. A randomised trial of ondansetron for the treatment of irritable bowel syndrome with diarrhoea. Gut. 2014;63:1617-1625.