irritable bowel syndrome

noun

Definition of irritable bowel syndrome

  1. :  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

First Known Use of irritable bowel syndrome

1943


Medical Dictionary

irritable bowel syndrome

noun

Medical Definition of irritable bowel syndrome

  1. :  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


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