Promethazine hydrochloride vs Mepolizumab
National NHS prescribing compared (Prescription Cost Analysis)
Promethazine hydrochloride was dispensed 252,174.0× as often as Mepolizumab in March 2026 — 252,174 items versus 1 in England.
252,174items
Promethazine hydrochloride · March 2026
NHSBSA Prescription Cost Analysis
1items
Mepolizumab · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Promethazine hydrochloride versus Mepolizumab: national items dispensed by month
▬ Promethazine hydrochloride · ╌ Mepolizumab
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Promethazine hydrochloride | Mepolizumab |
|---|---|---|
| Items, March 2026 | 252,174 | 1 |
| Items, last 12 months | 2,895,697 | 2 |
| Net ingredient cost, March 2026 | £466,476 | £3,360 |
See the full profile for Promethazine hydrochloride or Mepolizumab.