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Chlorphenamine maleate vs White Birch pollen allergen extract

National NHS prescribing compared (Prescription Cost Analysis)
Data updated March 2026

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

White Birch poll… 66,089

Source: NHSBSA Prescription Cost Analysis, to March 2026

Chlorphenamine maleate versus White Birch pollen allergen extract, 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.