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PharmaInsight

Diamorphine hydrochloride vs Guaifenesin

National NHS prescribing compared (Prescription Cost Analysis)
Data updated December 2025

Guaifenesin was dispensed 139.0× as often as Diamorphine hydrochloride in December 2025 — 139 items versus 1 in England.

1items

Diamorphine hydrochloride · December 2025

NHSBSA Prescription Cost Analysis

139items

Guaifenesin · December 2025

NHSBSA Prescription Cost Analysis

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

▬ Diamorphine hydrochloride   ·   ╌ Guaifenesin

Guaifenesin 1

Source: NHSBSA Prescription Cost Analysis, to December 2025

Diamorphine hydrochloride versus Guaifenesin, December 2025
Measure Diamorphine hydrochloride Guaifenesin
Items, December 2025 1 139
Items, last 12 months 4 1,402
Net ingredient cost, December 2025 £365 £795

See the full profile for Diamorphine hydrochloride or Guaifenesin.