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PharmaInsight

Gentamicin sulfate vs Erythromycin

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

Gentamicin sulfate was dispensed 906.0× as often as Erythromycin in March 2026 — 1,812 items versus 2 in England.

1,812items

Gentamicin sulfate · March 2026

NHSBSA Prescription Cost Analysis

2items

Erythromycin · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Gentamicin sulfate   ·   ╌ Erythromycin

Erythromycin 1,812

Source: NHSBSA Prescription Cost Analysis, to March 2026

Gentamicin sulfate versus Erythromycin, March 2026
Measure Gentamicin sulfate Erythromycin
Items, March 2026 1,812 2
Items, last 12 months 22,744 24
Net ingredient cost, March 2026 £53,708 £3,184

See the full profile for Gentamicin sulfate or Erythromycin.