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irritable bowel syndrome

American  

noun

Pathology.
  1. any combination of common disturbances of the bowel, as diarrhea or constipation, occurring with abdominal pain, sometimes accompanied by psychological stress. IBS


irritable bowel syndrome British  

noun

  1. med a chronic condition of recurring abdominal pain with constipation or diarrhoea or both

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

irritable bowel syndrome Scientific  
/ ĭrĭ-tə-bəl /
  1. A gastrointestinal disorder without demonstrable organic pathology, characterized by abdominal cramping, constipation, diarrhea, and mucus in the stool.


Example Sentences

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See Examples For:

A midstage trial for the same drug in adults with irritable bowel syndrome with diarrhea and mixed bowel habits will continue to evaluate its efficacy and safety, GSK said.

From The Wall Street Journal Jul. 17, 2026

And these foods are linked to a range of chronic health issues, including Type 2 diabetes, obesity, heart disease, certain types of cancer, irritable bowel syndrome and even early death.

From MarketWatch Mar. 23, 2026

Children of mothers with untreated depression had a higher risk of developing digestive conditions, including nausea and vomiting, functional constipation, colic, and irritable bowel syndrome.

From Science Daily Mar. 17, 2026

AbbVie cut the list price of Linzess, a treatment for irritable bowel syndrome, by about 50%, to $282 a month.

From The Wall Street Journal Jan. 29, 2026

Humbaba had the worst case of irritable bowel syndrome known to medical science.

From "City of the Plague God" by Sarwat Chadda

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