Experience severe abdominal pain, constipation and lack of energy t times a sharp pain. Have tried gas tablets, Lactose tabs, stool softeners and pain persist. Have been diagnosed with Lactose Intolerance years ago and have had little problem. Colonoscopy 3 year ago found indications of 2 areas of diverticulitis which was considered minor. My diet lacks vegies and not enough fiber but do exercise daily, message every other week and Yoga daily.