Irritable Bowel Syndrome: Epidemiology, Pathophysiology, Diagnosis, and Treatment

Defrees DN1, Bailey J2. Prim Care. 2017 Dec;44(4):655-671. doi: 10.1016/j.pop.2017.07.009. Epub 2017 Oct 5.
Author information

1 Family Medicine, St. Luke's Eastern Oregon Medical Associates, 3950 17th Street, Baker City, OR 97814, USA.

2 Department of Family Medicine, University of Washington School of Medicine, Seattle, WA 98125, USA; Department of Family Medicine, Family Medicine Residency of Idaho, 777 North Raymond Street, Boise, ID 83702, USA. Electronic address: justin.bailey@fmridaho.org.


Irritable bowel syndrome is a common medical condition that significantly alters patient quality of life and presents a series of diagnostic and treatment challenges to the treating provider. This article provides an updated and straightforward overview of the disease, its pathophysiology, diagnosis, and treatment options.

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