Promethazine hydrochloride vs Timothy grass pollen allergen extract
Promethazine hydrochloride was dispensed 554.2× as often as Timothy grass pollen allergen extract in March 2026 — 252,174 items versus 455 in England.
252,174items
Promethazine hydrochloride · March 2026
NHSBSA Prescription Cost Analysis
455items
Timothy grass pollen allergen extract · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Promethazine hydrochloride versus Timothy grass pollen allergen extract: national items dispensed by month
▬ Promethazine hydrochloride · ╌ Timothy grass pollen allergen extract
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Promethazine hydrochloride | Timothy grass pollen allergen extract |
|---|---|---|
| Items, March 2026 | 252,174 | 455 |
| Items, last 12 months | 2,895,697 | 4,261 |
| Net ingredient cost, March 2026 | £466,476 | £56,737 |
See the full profile for Promethazine hydrochloride or Timothy grass pollen allergen extract.