Dextromethorphan hydrobromide vs Guaifenesin
National NHS prescribing compared (Prescription Cost Analysis)
Dextromethorphan hydrobromide was dispensed 1.1× as often as Guaifenesin in May 2026 — 112 items versus 99 in England.
112items
Dextromethorphan hydrobromide · May 2026
NHSBSA Prescription Cost Analysis
99items
Guaifenesin · May 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 May 2026
| Measure | Dextromethorphan hydrobromide | Guaifenesin |
|---|---|---|
| Items, May 2026 | 112 | 99 |
| Items, last 12 months | 1,815 | 1,416 |
| Net ingredient cost, May 2026 | £1,152 | £535 |
See the full profile for Dextromethorphan hydrobromide or Guaifenesin.