9 Signs and Symptoms of Irritable Bowel Syndrome (IBS)

Diarrhea-predominant IBS is one of the three main types of the disorder. It affects roughly one-third of people with IBS (7Trusted Source).

An older study in 200 adults found that those with diarrhea-predominant IBS had, on average, 12 bowel movements weekly — more than twice the amount of adults without IBS (8Trusted Source).

Accelerated bowel transit in IBS can also result in a sudden, immediate urge to have a bowel movement. Some people describe this as a significant source of stress, even avoiding some social situations for fear of a sudden onset of diarrhea (9Trusted Source).

Additionally, stool in the diarrhea-predominant type tends to be loose and watery and may contain mucus (4).