I am usually C most of the week. Sometimes I have cramps and feel like I am going to have D but usually that will hit after 4-5 days of C. Then the D can last for a few minutes,a few hours or a few days. Sometimes it isn't even D but slow and painful. I have tried to figure out trigger foods etc with no luck.Every once in a while I have what I consider a normal BM but that is usually a fluke.