Kruis Score for Irritable Bowel Syndrome
Scoring system to diagnose Irritable Bowel Syndrome and distinguish it from organic bowel disease. Combines symptom scores with laboratory findings. Score >44 supports IBS diagnosis.
Score interpretation
→ Kruis >44: High probability of IBS. Organic disease unlikely. Positive diagnosis of IBS: lifestyle advice, low-FODMAP diet, antispasmodics (mebeverine, hyoscine), gut-directed psychotherapy.
→ Kruis ≤44: IBS cannot be reliably diagnosed — organic disease not excluded. Investigate: FBC, ESR/CRP, coeliac serology, stool calprotectin, thyroid function. Consider colonoscopy, especially if alarm features present.
Interpretation bands for the Kruis Score (IBS). Apply clinical judgement and local guidance.
References
Related
Curated clinical cross-links plus same-class fallbacks.
- Glyceryl trinitrate (GTN) · Organic nitrate
- Isosorbide dinitrate · Organic nitrate
- Isosorbide mononitrate · Organic nitrate
- Methotrexate (Dermatology — Psoriasis) · Disease-Modifying Antirheumatic / Immunosuppressant
- Activated Charcoal · Gastrointestinal decontamination / Antidote
- Terlipressin · Gastrointestinal Emergency
Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.