Codeine phosphate vs Guaifenesin
National NHS prescribing compared (Prescription Cost Analysis)
Codeine phosphate was dispensed 46.9× as often as Guaifenesin in March 2026 — 6,515 items versus 139 in England.
6,515items
Codeine phosphate · March 2026
NHSBSA Prescription Cost Analysis
139items
Guaifenesin · March 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 March 2026
| Measure | Codeine phosphate | Guaifenesin |
|---|---|---|
| Items, March 2026 | 6,515 | 139 |
| Items, last 12 months | 73,779 | 1,402 |
| Net ingredient cost, March 2026 | £167,309 | £795 |
See the full profile for Codeine phosphate or Guaifenesin.