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Dextromethorphan hydrobromide vs Ammonium chloride/diphenhydramine hydrochloride

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

Dextromethorphan hydrobromide was dispensed 53.0× as often as Ammonium chloride/diphenhydramine hydrochloride in March 2026 — 159 items versus 3 in England.

159items

Dextromethorphan hydrobromide · March 2026

NHSBSA Prescription Cost Analysis

3items

Ammonium chloride/diphenhydramine hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Dextromethorphan hydrobromide versus Ammonium chloride/diphenhydramine hydrochloride: national items dispensed by month

▬ Dextromethorphan hydrobromide   ·   ╌ Ammonium chloride/diphenhydramine hydrochloride

Ammonium chlorid… 159

Source: NHSBSA Prescription Cost Analysis, to March 2026

Dextromethorphan hydrobromide versus Ammonium chloride/diphenhydramine hydrochloride, March 2026
Measure Dextromethorphan hydrobromide Ammonium chloride/diphenhydramine hydrochloride
Items, March 2026 159 3
Items, last 12 months 1,848 6
Net ingredient cost, March 2026 £1,129 £7

See the full profile for Dextromethorphan hydrobromide or Ammonium chloride/diphenhydramine hydrochloride.