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PharmaInsight

Flucloxacillin sodium vs Erythromycin

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

Flucloxacillin sodium was dispensed 14.9× as often as Erythromycin in March 2026 — 318,770 items versus 21,331 in England.

318,770items

Flucloxacillin sodium · March 2026

NHSBSA Prescription Cost Analysis

21,331items

Erythromycin · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Flucloxacillin sodium versus Erythromycin: national items dispensed by month

▬ Flucloxacillin sodium   ·   ╌ Erythromycin

Erythromycin 318,770

Source: NHSBSA Prescription Cost Analysis, to March 2026

Flucloxacillin sodium versus Erythromycin, March 2026
Measure Flucloxacillin sodium Erythromycin
Items, March 2026 318,770 21,331
Items, last 12 months 3,990,751 257,004
Net ingredient cost, March 2026 £762,414 £218,356

See the full profile for Flucloxacillin sodium or Erythromycin.