Epidemiological and clinical perspectives on irritable bowel syndrome in India, Bangladesh and Malaysia: A review

Table 2 Rome III and Rome IV criteria for diagnosis of irritable bowel syndrome[37]

Rome III criteria	Rome IV criteria
At least 3 mo, with onset at least 6 mo previous to recurrent (at least 3 d/mo) abdominal pain or discomfort associated with 2 or more of the following	Recurrent abdominal pain, on average, at least 1 d per week in the last 3 mo, associated with 2 or more of the following
Improvement with defecation	Related to defecation
Onset associated with a change of frequency of stool	Associated with a change in frequency of stool
Onset associated with a change in form of stool	Associated with a change in form (appearance) of stool