Also known as: Severe diarrhea-predominant irritable bowel syndrome / IBS, Diarrhea Predominant / Diarrhea Dominant Irritable Bowel Syndrome / Diarrhea-predominant Irritable Bowel Syndrome / Diarrhea- Predominant Irritable Bowel Syndrome / Diarrhoea Predominant Irritable Bowel Syndrome / Diarrhea Predominant Irritable Bowel Syndrome / Irritable Bowel Syndrome With Diarrhea / Irritable colon / Colitis mucous / Mucous colitis / IBS / Colon spastic / Spastic colon / Irritable colon syndrome / Functional bowel syndrome / Irritable bowel / Irritable Bowel Syndrome