Irritable Bowel Syndrome
Short Description or Definition
Irritable bowel syndrome (IBS) is characterized by chronic abdominal pain or discomfort and altered bowel habits. In the absence of detectable organic causes, IBS is referred to as a functional disorder, which is defined by symptom-based criteria known as the “Rome criteria” (Longstreth et al. 2006).
Symptom onset must occur at least 6 months before diagnosis.
IBS with diarrhea
IBS with constipation
IBS with mixed bowel habits
IBS is one of the most common syndromes seen by gastroenterologists and primary care providers, with a prevalence rate of 10–15% in industrialized countries (Drossman et al. 2002). Despite its relatively high prevalence rate, only about 10–30% of afflicted individuals seek medical care (Pae et al. 2007). Women are affected about twice as often as men in most population-based samples (Whitehead et al. 2002),...
References and Readings
- Berman, S. M., Naliboff, B. D., Suyenobu, B., Labus, J. S., Stains, J., Ohning, G., et al. (2008). Reduced brainstem inhibition during anticipated pelvic visceral pain correlates with enhanced brain response to the visceral stimulus in women with irritable bowel syndrome. The Journal of Neuroscience, 28, 349–359.PubMedCrossRefGoogle Scholar
- Longstreth, G. F., Thompson, W. G., Chey, W. D., Houghton, L. A., Mearin, F., & Spiller, R. C. (2006). Functional bowel disorders. In D. A. Drossman, E. Corazziari, M. Delvauz, et al. (Eds.), Rome III: The functional gastrointestinal disorders (3rd ed.). McLean: Degnon.Google Scholar