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gi-hepatology

Manning Criteria for Irritable Bowel Syndrome

Clinical criteria to support diagnosis of Irritable Bowel Syndrome (IBS). Positive predictive value increases with the number of criteria met. Predates Rome criteria.

Score interpretation

IBS Likely

→ Manning 3–6 criteria: IBS is likely. Rule out organic pathology (FBC, CRP, coeliac screen, stool calprotectin, TSH). No alarm features (age >50, weight loss, PR bleeding, family history CRC) — consider flexible sigmoidoscopy. Positive diagnosis: gut-directed CBT, low-FODMAP diet, antispasmodics.

IBS Less Likely

→ Manning <3 criteria: IBS less likely. Investigate for alternative diagnoses. If organic pathology excluded and clinical suspicion remains, apply Rome IV criteria.

Interpretation bands for the Manning Criteria (IBS). Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.