Irritable bowel syndrome, or IBS, is a type of gastrointestinal (GI) disorder that causes frequent changes in your bowel movements. People with IBS also have other symptoms, such as abdominal pain.

Bowel movements are rated from 1 to 7, with 1 being the most firm and 7 being entirely liquid. Bristol stool type 1-2: Rabbit or grape-like droppings that are quite hard and may be difficult to pass.

Diarrhea-predominant IBS, or IBS-D, is one of the three main types ... least 6 months, combined with weekly pain for 3 months, as well as some combination of pain relieved by bowel movements ...