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Gastroenterology General Medicine Strong — standard outcome measure in UC clinical trials; endorsed by BSG/ECCO

Mayo Score for Ulcerative Colitis Activity

Assesses ulcerative colitis (UC) disease activity using clinical and endoscopic findings. Guides treatment decisions including steroid use and biologics.

Used in: Inflammatory Bowel Disease

Score interpretation

Remission 0–2

Mayo Score 0–2: Ulcerative colitis in clinical remission.

→ Maintain on mesalazine (5-ASA) maintenance. Review 6-monthly. Surveillance colonoscopy as per BSG/NICE guidelines.

Mild Disease Activity 3–5

Mayo Score 3–5: Mildly active UC.

→ Increase 5-ASA dose. Add rectal 5-ASA. If inadequate response: oral prednisolone 40mg OD. Gastroenterology review.

Moderate Disease Activity 6–10

Mayo Score 6–10: Moderately active UC.

→ Oral prednisolone 40mg tapering. CRP, FBC, albumin, stool cultures, C. diff. Consider biologic therapy (infliximab, vedolizumab) if steroid-dependent/refractory. Gastroenterology review.

Severe Disease Activity 11–12

Mayo Score 11–12: Severely active UC.

→ Admit. IV hydrocortisone 100mg QDS. Stool cultures including C. diff. Daily FBC, CRP, albumin, electrolytes. Flexible sigmoidoscopy. If no response by Day 3 → rescue therapy (infliximab or cyclosporin) or colectomy. Surgical review on admission.

Interpretation bands for the Mayo Score (UC). 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.