<qa>  How many visits will patients be expected to participate in?Patients will be expected to participate in up to 10 visits, approximately three by telephone and the remainder of visits are in-clinic. At these visits, patients will undergo a number of tests including: hematology panel, lactose intolerance testing, physical exams, pregnancy tests, evaluations based on the following scales: The Bristol Stool Scale, IBS Severity Scale, IBS Quality of Life, SCL-90R. 