Chlorphenamine maleate vs Diphenhydramine hydrochloride
Chlorphenamine maleate was dispensed 27.7× as often as Diphenhydramine hydrochloride in March 2026 — 66,089 items versus 2,386 in England.
66,089items
Chlorphenamine maleate · March 2026
NHSBSA Prescription Cost Analysis
2,386items
Diphenhydramine hydrochloride · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Chlorphenamine maleate versus Diphenhydramine hydrochloride: national items dispensed by month
▬ Chlorphenamine maleate · ╌ Diphenhydramine hydrochloride
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Chlorphenamine maleate | Diphenhydramine hydrochloride |
|---|---|---|
| Items, March 2026 | 66,089 | 2,386 |
| Items, last 12 months | 773,775 | 28,945 |
| Net ingredient cost, March 2026 | £419,254 | £12,041 |
See the full profile for Chlorphenamine maleate or Diphenhydramine hydrochloride.