
Irritable bowel syndrome (IBS, or spastic colon) is a symptom-based diagnosis characterized by chronic abdominal pain, discomfort, bloating, and alteration of bowel habits. As a functional gastrointestinal disorder (FGID), IBS has no known organic cause. Diarrhea or constipation may predominate, or they may alternate (classified as IBS-D, IBS-C, o...
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http://en.wikipedia.org/wiki/Irritable_bowel_syndrome

relatively common disorder of the intestines characterized by abdominal pain, intestinal gas, and altered bowel habits, including diarrhea, ... [2 related articles]
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http://www.britannica.com/eb/a-z/i/40

A disorder of the intestines commonly marked by abdominal pain, bloating, and changes in a person
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http://www.cancer.gov/dictionary?expand=I

A common functional bowel disorder causing abdominal pain, diarrhoea or constipation.
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http://www.encyclo.co.uk/local/20896

<syndrome> A functional bowel disorder characterised by recurrent crampy abdominal pain and diarrhoea. Invasive gastrointestinal diagnostics are often unrevealing. ... (27 Sep 1997) ...
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http://www.encyclo.co.uk/local/20973

the most common disorder seen in patients with gastrointestinal complaints, consisting of altered bowel habits, such as diarrhea or constipation or alternation of the two, along with abdominal pain and intolerance to flatus, without any detectable organic disease. It should not be confused with colitis or other inflammatory diseases...
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http://www.encyclo.co.uk/local/21001

A condition of abnormally increased spontaneous movement (motility) of the small and large intestine, generally stress can contribute to this condition.
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http://www.encyclo.co.uk/local/21681
(IBS) Type: Term Definitions: 1. a condition characterized by gastrointestinal signs and symptoms including constipation, diarrhea, gas, and bloating, all in the absence of organic pathology. Associated with uncoordinated and inefficient contractions of the large intestine.
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http://www.medilexicon.com/medicaldictionary.php?t=88144

a chronic and unpleasant gastrointestinal condition marked by abdominal cramping, and diarrhea or constipation
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http://www.ruf.rice.edu/~kemmer/Words04/usage/jargon_medical.html

[
n] - recurrent abdominal pain and diarrhea (often alternating with periods of constipation)
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http://www.webdictionary.co.uk/definition.php?query=irritable%20bowel%20syn

abnormal muscle movement in the intestines, which causes abdominal pain and irregular bowel movements (diarrhoea, constipation, or both)
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https://www.encyclo.co.uk/local/20875

any combination of common disturbances of the bowel, as diarrhea or constipation, occurring with abdominal pain, sometimes accompanied by psychological stress. Abbr.: IBS&hasp; Also called
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https://www.infoplease.com/dictionary/irritable-bowel-syndrome
No exact match found.