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PharmaInsight

Flucloxacillin sodium vs Erythromycin stearate

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

Flucloxacillin sodium was dispensed 495.8× as often as Erythromycin stearate in March 2026 — 318,770 items versus 643 in England.

318,770items

Flucloxacillin sodium · March 2026

NHSBSA Prescription Cost Analysis

643items

Erythromycin stearate · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Flucloxacillin sodium   ·   ╌ Erythromycin stearate

Erythromycin ste… 318,770

Source: NHSBSA Prescription Cost Analysis, to March 2026

Flucloxacillin sodium versus Erythromycin stearate, March 2026
Measure Flucloxacillin sodium Erythromycin stearate
Items, March 2026 318,770 643
Items, last 12 months 3,990,751 8,674
Net ingredient cost, March 2026 £762,414 £8,153

See the full profile for Flucloxacillin sodium or Erythromycin stearate.