Help. 6 mos of left upper quadrant pain, non specific to meals, or fasting. Pain, crmping, worsening accompanied by sweating. Had ultrasound, "normal". Ouch, ouch. Lasts for hours. Anyone?

I am a 49 year old female with IBS - C. For the past 7 plus years I have been managing IBS-C pretty well with minimal effort. My regimen includes probiotics and a nightly cocktail of activia, benefiber and about 8 prunes. In the morning I have coffee and I would have 2 bowel movements everyday...