noun, Pathology.
any combination of common disturbances of the bowel, as diarrhea or constipation, occurring with abdominal pain, sometimes accompanied by psychological stress.
Abbreviation: IBS.
(med) a chronic condition of recurring abdominal pain with constipation or diarrhoea or both
irritable bowel syndrome
A gastrointestinal disorder without demonstrable organic pathology, characterized by abdominal cramping, constipation, diarrhea, and mucus in the stool.


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