Olanzapine vs Clozapine
National NHS prescribing compared (Prescription Cost Analysis)
Olanzapine was dispensed 834.1× as often as Clozapine in May 2026 — 217,708 items versus 261 in England.
217,708items
Olanzapine · May 2026
NHSBSA Prescription Cost Analysis
261items
Clozapine · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Olanzapine versus Clozapine: national items dispensed by month
▬ Olanzapine · ╌ Clozapine
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Olanzapine | Clozapine |
|---|---|---|
| Items, May 2026 | 217,708 | 261 |
| Items, last 12 months | 2,693,982 | 3,135 |
| Net ingredient cost, May 2026 | £440,809 | £6,613 |
See the full profile for Olanzapine or Clozapine.