Promethazine hydrochloride vs C1-Esterase inhibitor
National NHS prescribing compared (Prescription Cost Analysis)
Promethazine hydrochloride was dispensed 245,572.0× as often as C1-Esterase inhibitor in June 2026 — 245,572 items versus 1 in England.
245,572items
Promethazine hydrochloride · June 2026
NHSBSA Prescription Cost Analysis
1items
C1-Esterase inhibitor · June 2026
NHSBSA Prescription Cost Analysis
Figure 1. Promethazine hydrochloride versus C1-Esterase inhibitor: national items dispensed by month
▬ Promethazine hydrochloride · ╌ C1-Esterase inhibitor
Source: NHSBSA Prescription Cost Analysis, to June 2026
| Measure | Promethazine hydrochloride | C1-Esterase inhibitor |
|---|---|---|
| Items, June 2026 | 245,572 | 1 |
| Items, last 12 months | 2,926,614 | 19 |
| Net ingredient cost, June 2026 | £453,976 | £2,680 |
See the full profile for Promethazine hydrochloride or C1-Esterase inhibitor.