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Independent analysis of NHS open data
PharmaInsight

Cetirizine hydrochloride vs White Birch pollen allergen extract

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

Cetirizine hydrochloride was dispensed 18,039.1× as often as White Birch pollen allergen extract in April 2026 — 306,665 items versus 17 in England.

306,665items

Cetirizine hydrochloride · April 2026

NHSBSA Prescription Cost Analysis

17items

White Birch pollen allergen extract · April 2026

NHSBSA Prescription Cost Analysis

Figure 1. Cetirizine hydrochloride versus White Birch pollen allergen extract: national items dispensed by month

▬ Cetirizine hydrochloride   ·   ╌ White Birch pollen allergen extract

0 200k 400k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 White Birch poll… 306,665 Jan 2021: 302k Feb 2021: 287k Mar 2021: 345k Apr 2021: 364k May 2021: 335k Jun 2021: 398k Jul 2021: 373k Aug 2021: 328k Sep 2021: 338k Oct 2021: 301k Nov 2021: 306k Dec 2021: 311k Jan 2022: 299k Feb 2022: 282k Mar 2022: 340k Apr 2022: 332k May 2022: 368k Jun 2022: 387k Jul 2022: 359k Aug 2022: 337k Sep 2022: 321k Oct 2022: 298k Nov 2022: 300k Dec 2022: 293k Jan 2023: 296k Feb 2023: 277k Mar 2023: 322k Apr 2023: 309k May 2023: 358k Jun 2023: 400k Jul 2023: 342k Aug 2023: 326k Sep 2023: 318k Oct 2023: 301k Nov 2023: 295k Dec 2023: 284k Jan 2024: 299k Feb 2024: 283k Mar 2024: 298k Apr 2024: 325k May 2024: 354k Jun 2024: 352k Jul 2024: 356k Aug 2024: 322k Sep 2024: 307k Oct 2024: 303k Nov 2024: 284k Dec 2024: 283k Jan 2025: 293k Feb 2025: 262k Mar 2025: 297k Apr 2025: 321k May 2025: 337k Jun 2025: 335k Jul 2025: 337k Aug 2025: 290k Sep 2025: 299k Oct 2025: 288k Nov 2025: 260k Dec 2025: 280k Jan 2026: 275k Feb 2026: 253k Mar 2026: 298k Apr 2026: 307k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Cetirizine hydrochloride versus White Birch pollen allergen extract, April 2026
Measure Cetirizine hydrochloride White Birch pollen allergen extract
Items, April 2026 306,665 17
Items, last 12 months 3,557,454 97
Net ingredient cost, April 2026 £661,839 £2,083

See the full profile for Cetirizine hydrochloride or White Birch pollen allergen extract.