irritable bowel syndrome

noun

: a chronic functional disorder of the colon that is characterized especially by constipation or diarrhea, cramping abdominal pain, and the passage of mucus in the stool

—abbreviation IBS

Examples of irritable bowel syndrome in a Sentence

Recent Examples on the Web

Just like rectal bleeding, abdominal pain can have a laundry list of other possible causes, like heartburn, ulcers, irritable bowel syndrome (IBS), urinary tract infections, and kidney stones. —Amy Norton, SELF, 24 Sep. 2024

Someone who lives with a digestive problem (such as irritable bowel syndrome) might experience more bothersome or longer-lasting symptoms. —Amber J. Tresca, Verywell Health, 14 Sep. 2024

So even if you’re plagued by constipation due to a condition like irritable bowel syndrome (IBS), the five-minute recommendation still applies. —Amy Norton, SELF, 14 Aug. 2024

Related article Lower your risk of irritable bowel syndrome by adopting a healthy lifestyle, new study suggests Why focus on pelvic floor health Given the prevalence and impact of these issues, maintaining pelvic floor health is vital to a good quality of life. —Dr. Jamin Brahmbhatt, CNN, 7 Aug. 2024

Word History

First Known Use

1943, in the meaning defined above

Medical Definition

irritable bowel syndrome

noun

: a chronic functional disorder of the colon that is of unknown etiology but is often associated with abnormal intestinal motility and increased sensitivity to visceral pain and that is characterized by diarrhea or constipation or diarrhea alternating with constipation, abdominal pain or discomfort, abdominal bloating, and passage of mucus in the stool

—abbreviation IBS

called also irritable colon, irritable colon syndrome, mucous colitis, spastic colon