These criteria are now known as the Rome Criteria.

The fourth revision came out in 2016.

2016 May;150(6):1456-1468. doi:10.1053/j.gastro.2016.02.015

Fikree A, Byrne P.Management of functional gastrointestinal disorders.Clin Med.

The functional gastrointestinal disorders.

Universal Images Group / Getty Images

2021 Jan;21(1):44-52. doi:10.7861/clinmed.2020-0980