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Independent analysis of NHS open data
PharmaInsight

Benzalkonium chloride vs Finasteride

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

Benzalkonium chloride was dispensed 4,641.0× as often as Finasteride in May 2026 — 4,641 items versus 1 in England.

4,641items

Benzalkonium chloride · May 2026

NHSBSA Prescription Cost Analysis

1items

Finasteride · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Benzalkonium chloride versus Finasteride: national items dispensed by month

▬ Benzalkonium chloride   ·   ╌ Finasteride

0 2k 5k Jan 2021 Nov 2021 Sep 2022 Jul 2023 Jun 2024 Apr 2025 May 2026 Finasteride 4,641 Jan 2021: 4k Feb 2021: 4k Mar 2021: 4k Apr 2021: 4k May 2021: 4k Jun 2021: 4k Jul 2021: 4k Aug 2021: 4k Sep 2021: 4k Oct 2021: 4k Nov 2021: 4k Dec 2021: 4k Jan 2022: 4k Feb 2022: 4k Mar 2022: 4k Apr 2022: 4k May 2022: 4k Jun 2022: 4k Jul 2022: 4k Aug 2022: 4k Sep 2022: 4k Oct 2022: 4k Nov 2022: 4k Dec 2022: 4k Jan 2023: 4k Feb 2023: 4k Mar 2023: 5k Apr 2023: 4k May 2023: 5k Jun 2023: 5k Jul 2023: 4k Aug 2023: 5k Sep 2023: 5k Oct 2023: 5k Nov 2023: 5k Dec 2023: 4k Feb 2024: 5k Mar 2024: 5k Apr 2024: 5k May 2024: 5k Jun 2024: 5k Jul 2024: 5k Aug 2024: 5k Sep 2024: 5k Oct 2024: 5k Nov 2024: 5k Dec 2024: 4k Jan 2025: 5k Feb 2025: 4k Mar 2025: 5k Apr 2025: 5k May 2025: 5k Jun 2025: 5k Jul 2025: 5k Aug 2025: 4k Sep 2025: 5k Oct 2025: 5k Nov 2025: 5k Dec 2025: 5k Jan 2026: 5k Feb 2026: 5k Mar 2026: 5k Apr 2026: 5k May 2026: 5k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Benzalkonium chloride versus Finasteride, May 2026
Measure Benzalkonium chloride Finasteride
Items, May 2026 4,641 1
Items, last 12 months 56,404 19
Net ingredient cost, May 2026 £31,735 £67

See the full profile for Benzalkonium chloride or Finasteride.