Table 1: ROME IV diagnostic criteria.

Signs

Abdominal pain,* at least one day a week (3-months minimum)

Related to defecation

Associated with a change in the frequency of stool

Associated with a change in the shape of the stool (Bristol scale)

* The presence of abdominal pain in addition to one or more of the signs shown is a necessary condition for diagnosis.

Modified from: Sebastián-Domingo JJ.8