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emergency-medicine anaesthesia nursing

Numeric Rating Scale (NRS) Pain Assessment and Management

Numerical Rating Scale (0-10) for pain assessment. Guides analgesic ladder escalation in ED and inpatient settings per WHO/BPS guidelines.

Score interpretation

No or mild pain (NRS 0-3)

→ Step 1: Paracetamol 1g QDS; ibuprofen 400mg TDS (if no contraindication); reassess in 30-60 min; non-pharmacological: ice, elevation, distraction

Moderate pain (NRS 4-6)

→ Step 2: Add codeine 30-60mg QDS or tramadol 50-100mg QDS; or dihydrocodeine 30mg QDS; regular paracetamol; NSAID if appropriate; neuropathic component: add amitriptyline 10mg nocte or gabapentin; reassess in 30 min

Severe pain (NRS 7-10)

→ Step 3: IV/IM morphine 0.1mg/kg (titrate 2-4mg q5-15min); intranasal fentanyl 1-2mcg/kg if no IV access; ketamine sub-dissociative 0.3mg/kg IV for pain crises; for neuropathic severe pain: pregabalin 75-150mg BD; pain team review if refractory

Interpretation bands for the NRS Pain Score. 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.