What can cause bloating with constipation/thin stools?

IBS or more? Irritable bowel syndrome (ibs) is a condition associated with abdominal discomfort, altered stool pattern, & among others accompanying nausea, bloating, gasiness. Often improved by stooling, ibs is defined by changes in perception of gut distension, motility, sensation. Diet & emotional stress may contribute. Ibs is a diagnosis of exclusion--first rule out inflammation, ischemia, infection, etc.