Dextromethorphan hydrobromide vs Guaifenesin
National NHS prescribing compared (Prescription Cost Analysis)
Dextromethorphan hydrobromide was dispensed 1.1× as often as Guaifenesin in March 2026 — 159 items versus 139 in England.
159items
Dextromethorphan hydrobromide · March 2026
NHSBSA Prescription Cost Analysis
139items
Guaifenesin · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Dextromethorphan hydrobromide versus Guaifenesin: national items dispensed by month
▬ Dextromethorphan hydrobromide · ╌ Guaifenesin
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Dextromethorphan hydrobromide | Guaifenesin |
|---|---|---|
| Items, March 2026 | 159 | 139 |
| Items, last 12 months | 1,848 | 1,402 |
| Net ingredient cost, March 2026 | £1,129 | £795 |
See the full profile for Dextromethorphan hydrobromide or Guaifenesin.