Clemastine fumarate vs Promethazine hydrochloride
National NHS prescribing compared (Prescription Cost Analysis)
Promethazine hydrochloride was dispensed 234,806.0× as often as Clemastine fumarate in August 2025 — 234,806 items versus 1 in England.
1items
Clemastine fumarate · August 2025
NHSBSA Prescription Cost Analysis
234,806items
Promethazine hydrochloride · August 2025
NHSBSA Prescription Cost Analysis
Figure 1. Clemastine fumarate versus Promethazine hydrochloride: national items dispensed by month
▬ Clemastine fumarate · ╌ Promethazine hydrochloride
Source: NHSBSA Prescription Cost Analysis, to August 2025
| Measure | Clemastine fumarate | Promethazine hydrochloride |
|---|---|---|
| Items, August 2025 | 1 | 234,806 |
| Items, last 12 months | 28 | 2,912,461 |
| Net ingredient cost, August 2025 | £14 | £437,542 |
See the full profile for Clemastine fumarate or Promethazine hydrochloride.