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Haematology / Oncology A

NCI CTCAE Mucositis Grading

NCI Common Terminology Criteria for Adverse Events (CTCAE v5.0) grading for oral mucositis. Used to standardise reporting and guide management decisions in oncology patients.

Score interpretation

Grade 1 - Mild 1

Asymptomatic or mild symptoms. Erythema or ulceration < 1cm.

→ Oral hygiene protocol. Saline/sodium bicarbonate rinses. Monitor. No treatment break required.

Grade 2 - Moderate 2

Moderate pain. Not interfering with oral intake. Modified diet indicated.

→ Analgesic mouthwash (lidocaine). Soft/liquid diet. Consider treatment delay if unable to maintain nutrition. Nutritional support assessment.

Grade 3 - Severe 3

Severe pain. Significantly interfering with oral intake.

→ IV/NG nutritional support. Systemic analgesia. Treatment break. Consider IV fluids. Culture for superinfection (HSV, Candida). Oncology/haematology review.

Grade 4 - Life-threatening 4

Life-threatening consequences. Urgent intervention required.

→ Hospitalise. IV analgesia (PCA/opioids). IV fluids and nutrition. G-CSF if neutropenic. Empirical antifungal/antiviral. Consider chemotherapy dose reduction or cessation. Palliative team involvement.

Interpretation bands for the Mucositis Grade. 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.