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PharmaInsight

Codeine phosphate vs Diamorphine hydrochloride

National NHS prescribing compared (Prescription Cost Analysis)
Data updated March 2026

Codeine phosphate was dispensed 6,515.0× as often as Diamorphine hydrochloride in March 2026 — 6,515 items versus 1 in England.

6,515items

Codeine phosphate · March 2026

NHSBSA Prescription Cost Analysis

1items

Diamorphine hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Codeine phosphate versus Diamorphine hydrochloride: national items dispensed by month

▬ Codeine phosphate   ·   ╌ Diamorphine hydrochloride

Diamorphine hydr… 6,515

Source: NHSBSA Prescription Cost Analysis, to March 2026

Codeine phosphate versus Diamorphine hydrochloride, March 2026
Measure Codeine phosphate Diamorphine hydrochloride
Items, March 2026 6,515 1
Items, last 12 months 73,779 4
Net ingredient cost, March 2026 £167,309 £365

See the full profile for Codeine phosphate or Diamorphine hydrochloride.