Roman IV defines IBS as abdominal pain occurring on average at least one day per week in the past three months, accompanied by two or more of the following symptoms:1
- Change in defecation frequency
- Associated with defecation
- Change in stool form (consistency).
Typically, reoccurring abdominal pain needs to have manifested at least once a week over the past three months, with the symptoms persisting for a minimum of six months. Furthermore, apart from abdominal pain and irregular...