I have been diagnosed with IBS for20 years and several other conditions have been ruled out with medical tests e.g. celiac disease, colon cancer, etc. I have also tried many medications for IBS.....but I have the kind where I suffer from chronic constipation alternated with severe diarrehea. It has gotten so bad now that I never have normal bowel movements and often pain in lower right quadrant, and vomiting occur. I feel like no one is helping me. Is it possible that it comes from psychological