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Independent analysis of NHS open data
PharmaInsight

Gentamicin sulfate vs Tobramycin

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

Gentamicin sulfate was dispensed 1,753.0× as often as Tobramycin in June 2026 — 1,753 items versus 1 in England.

1,753items

Gentamicin sulfate · June 2026

NHSBSA Prescription Cost Analysis

1items

Tobramycin · June 2026

NHSBSA Prescription Cost Analysis

Figure 1. Gentamicin sulfate versus Tobramycin: national items dispensed by month

▬ Gentamicin sulfate   ·   ╌ Tobramycin

0 2k 4k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Jun 2026 Tobramycin 1,753 Jan 2021: 3k Feb 2021: 3k Mar 2021: 3k Apr 2021: 2k May 2021: 2k Jun 2021: 3k Jul 2021: 3k Aug 2021: 3k Sep 2021: 4k Oct 2021: 4k Nov 2021: 4k Dec 2021: 3k Jan 2022: 3k Feb 2022: 3k Mar 2022: 3k Apr 2022: 2k 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: 3k Mar 2023: 3k Apr 2023: 2k May 2023: 2k Jun 2023: 2k Jul 2023: 2k Aug 2023: 3k Sep 2023: 3k Oct 2023: 3k Nov 2023: 3k Dec 2023: 2k Jan 2024: 3k Feb 2024: 2k Mar 2024: 2k Apr 2024: 2k May 2024: 2k Jun 2024: 2k Jul 2024: 2k Aug 2024: 2k Sep 2024: 2k Oct 2024: 2k Nov 2024: 2k Dec 2024: 2k Jan 2025: 2k Feb 2025: 2k Mar 2025: 2k Apr 2025: 2k May 2025: 2k Jun 2025: 2k Jul 2025: 2k Aug 2025: 2k Sep 2025: 2k Oct 2025: 2k Nov 2025: 2k Dec 2025: 2k Jan 2026: 2k Feb 2026: 2k Mar 2026: 2k Apr 2026: 2k May 2026: 2k Jun 2026: 2k

Source: NHSBSA Prescription Cost Analysis, to June 2026

Gentamicin sulfate versus Tobramycin, June 2026
Measure Gentamicin sulfate Tobramycin
Items, June 2026 1,753 1
Items, last 12 months 22,654 8
Net ingredient cost, June 2026 £44,522 £1

See the full profile for Gentamicin sulfate or Tobramycin.