Codeine phosphate vs Guaifenesin
National NHS prescribing compared (Prescription Cost Analysis)
Codeine phosphate was dispensed 58.5× as often as Guaifenesin in May 2026 — 5,787 items versus 99 in England.
5,787items
Codeine phosphate · May 2026
NHSBSA Prescription Cost Analysis
99items
Guaifenesin · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Codeine phosphate versus Guaifenesin: national items dispensed by month
▬ Codeine phosphate · ╌ Guaifenesin
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Codeine phosphate | Guaifenesin |
|---|---|---|
| Items, May 2026 | 5,787 | 99 |
| Items, last 12 months | 74,079 | 1,416 |
| Net ingredient cost, May 2026 | £165,775 | £535 |
See the full profile for Codeine phosphate or Guaifenesin.