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Independent analysis of NHS open data
PharmaInsight

Erythromycin

Infections Antibacterial drugs BNF 0501050C0
Data updated April 2026 Download CSV

Erythromycin was ranked 399th of 1,792 medicines by items in April 2026, with 19,799 items, down 8.8% on a year earlier.

19,799items -8.8%

Dispensed in April 2026

232,884items

Rolling 12 months

£314,533

Net ingredient cost · April 2026

Figure 1. Erythromycin: national items dispensed by month

0 24k 48k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 19,799 Jan 2021: 32k Feb 2021: 30k Mar 2021: 33k Apr 2021: 31k May 2021: 30k Jun 2021: 32k Jul 2021: 32k Aug 2021: 30k Sep 2021: 33k Oct 2021: 33k Nov 2021: 34k Dec 2021: 35k Jan 2022: 31k Feb 2022: 29k Mar 2022: 33k Apr 2022: 29k May 2022: 30k Jun 2022: 29k Jul 2022: 30k Aug 2022: 29k Sep 2022: 28k Oct 2022: 29k Nov 2022: 31k Dec 2022: 48k Jan 2023: 40k Feb 2023: 31k Mar 2023: 35k Apr 2023: 28k May 2023: 29k Jun 2023: 28k Jul 2023: 27k Aug 2023: 27k Sep 2023: 26k Oct 2023: 27k Nov 2023: 27k Dec 2023: 29k Jan 2024: 31k Feb 2024: 28k Mar 2024: 29k Apr 2024: 29k May 2024: 27k Jun 2024: 23k Jul 2024: 26k Aug 2024: 23k Sep 2024: 22k Oct 2024: 24k Nov 2024: 23k Dec 2024: 25k Jan 2025: 25k Feb 2025: 22k Mar 2025: 23k Apr 2025: 22k May 2025: 22k Jun 2025: 21k Jul 2025: 21k Aug 2025: 20k Sep 2025: 21k Oct 2025: 22k Nov 2025: 20k Dec 2025: 23k Jan 2026: 22k Feb 2026: 20k Mar 2026: 21k Apr 2026: 20k

Source: NHSBSA Prescription Cost Analysis, to April 2026

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At a glance

  • Therapeutic class Antibacterial drugs
  • Presentations 2 shown
  • Average cost / item £15.89
  • Year on year Down 8.8% 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, April 2026

The individual products dispensed under Erythromycin this month.

Presentations of Erythromycin, April 2026
Presentation BNF code Items Net ingredient cost
Erythromycin 250mg gastro-resistant tablets 0501050C0AAABAB 19,797 £314,518
Erythromycin 250mg gastro-resistant capsules 0501050C0AAAKAK 2 £15

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

Where Erythromycin is dispensed

The regions and dispensing practices with the highest Erythromycin volumes.

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

Compare Erythromycin with

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