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General Medicine Nursing B

Waterlow Pressure Ulcer Risk Score

Waterlow pressure ulcer risk score (1985, revised 2005): build, skin, sex and age, malnutrition screening, continence, mobility and special risks. 10+ at risk, 15+ high risk, 20+ very high risk.

Score interpretation

Not At Risk (< 10) 0–9

Waterlow score below the 'at risk' threshold of 10.

→ Reassess if the patient's condition changes.

At Risk 10–14

Waterlow 10–14: at risk of pressure ulcers.

→ Skin assessment; encourage (or help) repositioning at least every 6 hours; high-specification foam mattress if admitted to hospital (NICE CG179).

High Risk 15–19

Waterlow 15–19: high risk of pressure ulcers.

→ High-specification foam mattress; encourage (or help) repositioning at least every 4 hours; heel offloading; nutrition assessment (NICE CG179).

Very High Risk 20–99

Waterlow 20 or more: very high risk of pressure ulcers.

→ As for high risk, with tissue viability specialist input and review of the support surface.

Interpretation bands for the Waterlow. 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.