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PharmaInsight

Flucloxacillin sodium vs Isoniazid

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

Flucloxacillin sodium was dispensed 1,216.7× as often as Isoniazid in March 2026 — 318,770 items versus 262 in England.

318,770items

Flucloxacillin sodium · March 2026

NHSBSA Prescription Cost Analysis

262items

Isoniazid · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Flucloxacillin sodium   ·   ╌ Isoniazid

Isoniazid 318,770

Source: NHSBSA Prescription Cost Analysis, to March 2026

Flucloxacillin sodium versus Isoniazid, March 2026
Measure Flucloxacillin sodium Isoniazid
Items, March 2026 318,770 262
Items, last 12 months 3,990,751 3,246
Net ingredient cost, March 2026 £762,414 £36,882

See the full profile for Flucloxacillin sodium or Isoniazid.