How is irritable bowel syndrome (IBS) diagnosed?

Updated: Dec 11, 2019
  • Author: Jenifer K Lehrer, MD; Chief Editor: BS Anand, MD  more...
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A meticulous history is the key to establish a diagnosis of irritable bowel syndrome, which comprises a range of manifestations and aggravation factors. [9] Indeed, there is a great deal of interindividual symptomatic variability among affected patients, which a detailed symptomatic history may aid in identifying distinct symptom subgroups and thus guide symptom management. [28] The Rome criteria provide the construct upon which questions are based (see Diagnostic Considerations).

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