Chlorphenamine maleate vs White Birch pollen allergen extract
Chlorphenamine maleate was dispensed 5,507.4× as often as White Birch pollen allergen extract in March 2026 — 66,089 items versus 12 in England.
66,089items
Chlorphenamine maleate · March 2026
NHSBSA Prescription Cost Analysis
12items
White Birch pollen allergen extract · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Chlorphenamine maleate versus White Birch pollen allergen extract: national items dispensed by month
▬ Chlorphenamine maleate · ╌ White Birch pollen allergen extract
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Chlorphenamine maleate | White Birch pollen allergen extract |
|---|---|---|
| Items, March 2026 | 66,089 | 12 |
| Items, last 12 months | 773,775 | 87 |
| Net ingredient cost, March 2026 | £419,254 | £1,362 |
See the full profile for Chlorphenamine maleate or White Birch pollen allergen extract.