Codeine phosphate vs Diphenhydramine hydrochloride
National NHS prescribing compared (Prescription Cost Analysis)
Codeine phosphate was dispensed 3,257.5× as often as Diphenhydramine hydrochloride in March 2026 — 6,515 items versus 2 in England.
6,515items
Codeine phosphate · March 2026
NHSBSA Prescription Cost Analysis
2items
Diphenhydramine hydrochloride · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Codeine phosphate versus Diphenhydramine hydrochloride: national items dispensed by month
▬ Codeine phosphate · ╌ Diphenhydramine hydrochloride
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Codeine phosphate | Diphenhydramine hydrochloride |
|---|---|---|
| Items, March 2026 | 6,515 | 2 |
| Items, last 12 months | 73,779 | 24 |
| Net ingredient cost, March 2026 | £167,309 | £8 |
See the full profile for Codeine phosphate or Diphenhydramine hydrochloride.