GI ToolsGastroenterology and hepatology

Irritable bowel syndrome (Rome IV)

Rome IV IBS requires recurrent abdominal pain related to bowel movements. Bloating or discomfort without pain is not enough. The severity can be tracked with the IBS-SSS. The Rome IV criteria are summarised here in our own words, and are a guide to a positive diagnosis alongside appropriate investigation. See the Rome Foundation for the original criteria.

Abdominal pain
The pain is associated with two or more of
Time frame
Bowel habit on days with abnormal bowel movements (for the subtype)

Assess off medicines that affect bowel habit. Hard means Bristol type 1 or 2; loose means type 6 or 7.

Enter the values above.

Reference

Mearin F, Lacy BE, Chang L, et al. Bowel disorders. Gastroenterology. 2016;150(6):1393-1407.