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Independent analysis of NHS open data
PharmaInsight

Ketoconazole vs Benzalkonium chloride

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

Ketoconazole was dispensed 13.6× as often as Benzalkonium chloride in May 2026 — 63,136 items versus 4,641 in England.

63,136items

Ketoconazole · May 2026

NHSBSA Prescription Cost Analysis

4,641items

Benzalkonium chloride · May 2026

NHSBSA Prescription Cost Analysis

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

▬ Ketoconazole   ·   ╌ Benzalkonium chloride

0 34k 68k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Benzalkonium chl… 63,136 Jan 2021: 48k Feb 2021: 48k Mar 2021: 55k Apr 2021: 52k May 2021: 48k Jun 2021: 52k Jul 2021: 52k Aug 2021: 48k Sep 2021: 52k Oct 2021: 49k Nov 2021: 52k Dec 2021: 49k Jan 2022: 51k Feb 2022: 49k Mar 2022: 57k Apr 2022: 51k May 2022: 55k Jun 2022: 54k Jul 2022: 53k Aug 2022: 54k Sep 2022: 55k Oct 2022: 55k Nov 2022: 58k Dec 2022: 51k Jan 2023: 54k Feb 2023: 52k Mar 2023: 54k Apr 2023: 46k May 2023: 53k Jun 2023: 52k Jul 2023: 51k Aug 2023: 53k Sep 2023: 53k Oct 2023: 53k Nov 2023: 55k Dec 2023: 50k Jan 2024: 56k Feb 2024: 53k Mar 2024: 52k Apr 2024: 53k May 2024: 61k Jun 2024: 52k Jul 2024: 60k Aug 2024: 59k Sep 2024: 60k Oct 2024: 63k Nov 2024: 60k Dec 2024: 56k Jan 2025: 63k Feb 2025: 57k Mar 2025: 61k Apr 2025: 59k May 2025: 62k Jun 2025: 62k Jul 2025: 65k Aug 2025: 60k Sep 2025: 65k Oct 2025: 67k Nov 2025: 61k Dec 2025: 63k Jan 2026: 65k Feb 2026: 61k Mar 2026: 68k Apr 2026: 66k May 2026: 63k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Ketoconazole versus Benzalkonium chloride, May 2026
Measure Ketoconazole Benzalkonium chloride
Items, May 2026 63,136 4,641
Items, last 12 months 766,794 56,404
Net ingredient cost, May 2026 £586,826 £31,735

See the full profile for Ketoconazole or Benzalkonium chloride.