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

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irritable bowel syndrome British  

noun

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

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irritable bowel syndrome Scientific  

/ ĭr′ĭ-tə-bəl /

1. A gastrointestinal disorder without demonstrable organic pathology, characterized by abdominal cramping, constipation, diarrhea, and mucus in the stool.

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Example Sentences

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

Selina had been so concerned about her daughter she asked for a blood test; doctors thought she must have irritable bowel syndrome.

From BBC • Mar. 22, 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

The findings may also be relevant for other conditions associated with gut inflammation, including irritable bowel syndrome, chronic liver disease, and neurodegenerative disorders such as Alzheimer's and Parkinson's diseases.

From Science Daily • Jan. 21, 2026

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

From "City of the Plague God" by Sarwat Chadda