Irritable bowel syndrome: Diagnosis and pathogenesis

Table 2 Subtyping of irritable bowel syndrome¹

IBS with constipation-hard or lumpy stools > 25% and loos or watery stools < 25% of bowel movements

IBS with diarrhea-loos or watery stools > 25% and hard or lumpy stools stools < 25% of bowel movements

Mixed IBS-loos or watery stools > 25% and hard or lumpy stools stools > 25% of bowel movements

Unsubtyped IBS-insufficient abnormality of stool consistency to meet criteria for IBS-C,D or M

¹Adapted from reference [1] with the permission from Nova Science Publisher, Inc. IBS: Irritable bowel syndrome; IBS-C: IBS with constipation; IBS-D: IBS with diarrhea-loos; IBS-M: IBS with a mixture of both diarrhoea and constipation.