Olanzapine vs Perphenazine
National NHS prescribing compared (Prescription Cost Analysis)
Olanzapine was dispensed 56,085.3× as often as Perphenazine in April 2026 — 224,341 items versus 4 in England.
224,341items
Olanzapine · April 2026
NHSBSA Prescription Cost Analysis
4items
Perphenazine · April 2026
NHSBSA Prescription Cost Analysis
Figure 1. Olanzapine versus Perphenazine: national items dispensed by month
▬ Olanzapine · ╌ Perphenazine
Source: NHSBSA Prescription Cost Analysis, to April 2026
| Measure | Olanzapine | Perphenazine |
|---|---|---|
| Items, April 2026 | 224,341 | 4 |
| Items, last 12 months | 2,697,755 | 102 |
| Net ingredient cost, April 2026 | £456,177 | £502 |
See the full profile for Olanzapine or Perphenazine.