Chlorphenamine maleate vs White Birch pollen allergen extract
National NHS prescribing compared (Prescription Cost Analysis)
Chlorphenamine maleate was dispensed 3,006.2× as often as White Birch pollen allergen extract in May 2026 — 66,137 items versus 22 in England.
66,137items
Chlorphenamine maleate · May 2026
NHSBSA Prescription Cost Analysis
22items
White Birch pollen allergen extract · May 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 May 2026
| Measure | Chlorphenamine maleate | White Birch pollen allergen extract |
|---|---|---|
| Items, May 2026 | 66,137 | 22 |
| Items, last 12 months | 763,427 | 118 |
| Net ingredient cost, May 2026 | £432,963 | £3,365 |
See the full profile for Chlorphenamine maleate or White Birch pollen allergen extract.