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PharmaInsight

Olanzapine vs Haloperidol decanoate

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

Olanzapine was dispensed 414.1× as often as Haloperidol decanoate in March 2026 — 227,743 items versus 550 in England.

227,743items

Olanzapine · March 2026

NHSBSA Prescription Cost Analysis

550items

Haloperidol decanoate · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Olanzapine   ·   ╌ Haloperidol decanoate

Haloperidol deca… 227,743

Source: NHSBSA Prescription Cost Analysis, to March 2026

Olanzapine versus Haloperidol decanoate, March 2026
Measure Olanzapine Haloperidol decanoate
Items, March 2026 227,743 550
Items, last 12 months 2,701,116 6,788
Net ingredient cost, March 2026 £371,369 £6,825

See the full profile for Olanzapine or Haloperidol decanoate.