Promethazine hydrochloride vs Timothy grass pollen allergen extract
National NHS prescribing compared (Prescription Cost Analysis)
Promethazine hydrochloride was dispensed 559.1× as often as Timothy grass pollen allergen extract in May 2026 — 234,806 items versus 420 in England.
234,806items
Promethazine hydrochloride · May 2026
NHSBSA Prescription Cost Analysis
420items
Timothy grass pollen allergen extract · May 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 May 2026
| Measure | Promethazine hydrochloride | Timothy grass pollen allergen extract |
|---|---|---|
| Items, May 2026 | 234,806 | 420 |
| Items, last 12 months | 2,912,461 | 4,386 |
| Net ingredient cost, May 2026 | £437,542 | £49,196 |
See the full profile for Promethazine hydrochloride or Timothy grass pollen allergen extract.