Bilastine vs Promethazine hydrochloride
National NHS prescribing compared (Prescription Cost Analysis)
Promethazine hydrochloride was dispensed 597.6× as often as Bilastine in March 2026 — 252,174 items versus 422 in England.
422items
Bilastine · March 2026
NHSBSA Prescription Cost Analysis
252,174items
Promethazine hydrochloride · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Bilastine versus Promethazine hydrochloride: national items dispensed by month
▬ Bilastine · ╌ Promethazine hydrochloride
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Bilastine | Promethazine hydrochloride |
|---|---|---|
| Items, March 2026 | 422 | 252,174 |
| Items, last 12 months | 4,825 | 2,895,697 |
| Net ingredient cost, March 2026 | £4,052 | £466,476 |
See the full profile for Bilastine or Promethazine hydrochloride.