What is irritable bowel syndrome?  Irritable bowel syndrome (IBS, also known as a spastic colon) is a frequent problem in adults, and a not infrequent one, in school children.  The widely accepted criteria established by a group of international physicians meeting together in Rome (and thus called the Rome criteria) helps to define the condition.

Recurrent abdominal pain or discomfort at least 3 days/month in the last 3 months with two or more of the following: