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Independent analysis of NHS open data
PharmaInsight

Colistimethate sodium

Infections Antibacterial drugs BNF 0501070I0
Data updated May 2026 Download CSV

Colistimethate sodium was ranked 731st of 1,792 medicines by items in May 2026, with 2,399 items, down 1.6% on a year earlier.

2,399items -1.6%

Dispensed in May 2026

29,468items

Rolling 12 months

£671,683

Net ingredient cost · May 2026

Figure 1. Colistimethate sodium: national items dispensed by month

0 1k 3k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 2,399 Jan 2021: 3k Feb 2021: 3k Mar 2021: 3k Apr 2021: 3k May 2021: 3k Jun 2021: 3k Jul 2021: 3k Aug 2021: 3k Sep 2021: 3k Oct 2021: 3k Nov 2021: 3k Dec 2021: 3k Jan 2022: 3k Feb 2022: 3k Mar 2022: 3k Apr 2022: 3k May 2022: 3k Jun 2022: 3k Jul 2022: 3k Aug 2022: 3k Sep 2022: 3k Oct 2022: 3k Nov 2022: 3k Dec 2022: 3k Jan 2023: 3k Feb 2023: 2k Mar 2023: 3k Apr 2023: 2k May 2023: 3k Jun 2023: 3k Jul 2023: 3k Aug 2023: 3k Sep 2023: 3k Oct 2023: 3k Nov 2023: 3k Dec 2023: 3k Jan 2024: 3k Feb 2024: 3k Mar 2024: 3k Apr 2024: 3k May 2024: 3k Jun 2024: 2k Jul 2024: 3k Aug 2024: 3k Sep 2024: 2k Oct 2024: 3k Nov 2024: 3k Dec 2024: 3k Jan 2025: 3k Feb 2025: 2k Mar 2025: 2k Apr 2025: 2k May 2025: 2k Jun 2025: 3k Jul 2025: 2k Aug 2025: 2k Sep 2025: 2k Oct 2025: 2k Nov 2025: 2k Dec 2025: 3k Jan 2026: 3k Feb 2026: 2k Mar 2026: 3k Apr 2026: 2k May 2026: 2k

Source: NHSBSA Prescription Cost Analysis, to May 2026

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At a glance

  • Therapeutic class Antibacterial drugs
  • Presentations 9 shown
  • Average cost / item £279.98
  • Year on year Down 1.6% on a year earlier
What this is
Net ingredient cost is the list price before discounts and dispensing fees, not what the NHS finally pays.

Top presentations, May 2026

The individual products dispensed under Colistimethate sodium this month.

Presentations of Colistimethate sodium, May 2026
Presentation BNF code Items Net ingredient cost
Colomycin 1million unit inj vials 0501070I0BBABAB 888 £197,723
Colomycin 2million unit inj vials 0501070I0BBACAE 663 £214,795
Colistimethate 1million unit inj vials 0501070I0AAABAB 340 £73,546
Colistimethate 2million unit inj vials 0501070I0AAAEAE 319 £100,566
Colistimethate 1million unit pdr for neb soln ud vials 0501070I0AAADAD 107 £47,872
Colistimethate 2million unit pdr for neb soln ud vials 0501070I0AAAHAH 28 £15,296
Colicym 1million unit pdr for neb soln unit dose vials 0501070I0BFAAAD 27 £11,125
Promixin 1million unit pdr for neb soln unit dose vials 0501070I0BCAAAD 26 £9,792
Colobreathe 1,662,500unit inhalation powder capsules 0501070I0BDAAAG 1 £969

Source: NHSBSA Prescription Cost Analysis · to May 2026 OGL v3.0

Where Colistimethate sodium is dispensed

The regions and dispensing practices with the highest Colistimethate sodium volumes.

Regional volumes from NHSBSA Prescription Cost Analysis; practice volumes from NHS dispensing data.

Compare Colistimethate sodium with

Other medicines in the same BNF section, by prescribing volume.