The LLQ (lower left quadrant) is the most common area for pain and discomfort however pain can affect you almost anywhere. There is no diseased part of the colon with IBS so the pain can radiate through your entire colon (which is shaped like a upside down "U" or horseshoe). Generally IBS pain is caused by cramping (spasms) and gas pains.
Co-Moderator ~ IBS Forum
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