It can be watery diarrhea, hard or soft, black, greenish tint, or brown, and sometimes is accompanied with blood. I've been on SEVERAL medications over the years to inlcude surfak, miralax, zelnorm, amitiza
, amitryptiline, citrucel, effexor, elavil, prilosec, tagament, and reglan. I have been tested for celiac's disease. Certain foods will trigger an episode ... lactose, greasy foods, caffeine, most fast foods. When I get frusterated or upset, it triggers pain.