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PharmaInsight

Olanzapine vs Fluphenazine decanoate

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

Olanzapine was dispensed 56,935.8× as often as Fluphenazine decanoate in March 2026 — 227,743 items versus 4 in England.

227,743items

Olanzapine · March 2026

NHSBSA Prescription Cost Analysis

4items

Fluphenazine decanoate · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Olanzapine versus Fluphenazine decanoate: national items dispensed by month

▬ Olanzapine   ·   ╌ Fluphenazine decanoate

Fluphenazine dec… 227,743

Source: NHSBSA Prescription Cost Analysis, to March 2026

Olanzapine versus Fluphenazine decanoate, March 2026
Measure Olanzapine Fluphenazine decanoate
Items, March 2026 227,743 4
Items, last 12 months 2,701,116 38
Net ingredient cost, March 2026 £371,369 £2,638

See the full profile for Olanzapine or Fluphenazine decanoate.