For clinicians & trainees
Tools and teaching
Scores and decision aids rebuilt from the original papers and current guidelines, each with sources and a review date. Plus landmark trials and on-call cards for fellows.
Most used
IBD managementAcute severe UC (day 1 and day 3)Truelove and Witts on admission, Travis criteria on day 3, and rescue-therapy checksEndoscopy and screeningIBD dysplasia surveillanceColonoscopic surveillance intervals and dysplasia management (BSG 2025)IBD activity scoresMayo scoreFull, partial and modified Mayo scores for ulcerative colitisEndoscopy and screeningPolyp surveillance (Ontario)Next colonoscopy or FIT after polypectomy, by Ontario ColonCancerCheck rules (2026)IBD and pregnancyPregnancy and IBD assistantPreconception, pregnancy and postpartum plans built on the 2025 Global ConsensusIBD activity scoresSES-CDSimple Endoscopic Score for Crohn's disease, with partial-exam handlingIBD managementSteroid taper builderDated prednisone and budesonide tapers with tablet counts and a printable list or calendarIBD activity scoresUCEISUlcerative Colitis Endoscopic Index of Severity (0–8)
IBD activity scores
- CDAI and PRO2NewCrohn's Disease Activity Index with PRO2 from the same 7-day diary
- Harvey-Bradshaw IndexHBI clinical activity score for Crohn's disease, with response against a baseline
- IBUS-SASNewInternational Bowel Ultrasound Segmental Activity Score, segment by segment
- Mayo scoreFull, partial and modified Mayo scores for ulcerative colitis
- Milan Ultrasound CriteriaNewIntestinal ultrasound activity in ulcerative colitis: MUC and the UC-IUS index
- PDAIPerianal Disease Activity Index for perianal Crohn's disease (0–20)
- Rutgeerts scoreNewPostoperative Crohn's recurrence after ileocolonic resection, with a guideline-based plan
- SES-CDSimple Endoscopic Score for Crohn's disease, with partial-exam handling
- UCEISUlcerative Colitis Endoscopic Index of Severity (0–8)
IBD management
- 5-ASA prescribing in CanadaMesalamine and sulfasalazine for UC: Canadian products and ready-to-copy prescriptions
- Acute severe UC (day 1 and day 3)Truelove and Witts on admission, Travis criteria on day 3, and rescue-therapy checks
- Advanced therapy screeningNewPre-treatment checklist for biologics, JAK inhibitors, S1P modulators and immunomodulators
- Drug levels (TDM) interpreterNewInfliximab and adalimumab trough and antibody results, with targets and next steps
- Hepatitis B before immunosuppressionHBV reactivation risk (AGA 2025), prophylaxis or monitoring, and vaccination
- IBD care planClinician checklist and a printable grade-8 patient plan for adults with IBD in Canada
- Montreal classificationNewMontreal phenotype builder for Crohn's disease and UC, with the Paris paediatric version
- Steroid taper builderNewDated prednisone and budesonide tapers with tablet counts and a printable list or calendar
- STRIDE-II treat-to-target trackerDated STRIDE-II targets for UC and Crohn's disease, with expected times by therapy
- Thiopurine dosing and metabolitesNewAzathioprine and mercaptopurine starting dose by TPMT and NUDT15, and 6-TGN/6-MMP results
IBD and pregnancy
Bleeding and inpatient
Liver
- Alcohol-associated hepatitisMaddrey DF, MELD and Lille, with a steroid decision that checks contraindications
- FIB-4NewAdvanced fibrosis risk in MASLD, the next step, and FibroScan or ELF results
- MELD 3.0, MELD-Na and Child-PughNewCirrhosis severity, 90-day survival and transplant referral, in SI or conventional units
Endoscopy and screening
- Boston Bowel Preparation ScaleNewBBPS segment scores, total and adequacy, with the repeat interval after a poor prep
- IBD dysplasia surveillanceColonoscopic surveillance intervals and dysplasia management (BSG 2025)
- Polyp surveillance (Ontario)Next colonoscopy or FIT after polypectomy, by Ontario ColonCancerCheck rules (2026)
Outpatient GI
- H. pylori treatment (Canada)Choose an H. pylori regimen available in Canada, with doses, prescription and test of cure
- IBS diagnosis (Rome V)Rome V criteria for IBS with Rome IV alongside, subtype, alarm features and work-up
- Iron deficiency (Canada)Diagnose, treat, prevent and look up oral iron (with Canadian costs), and IV iron doses
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