Olanzapine vs Chlorprothixene
National NHS prescribing compared (Prescription Cost Analysis)
Olanzapine was dispensed 217,708.0× as often as Chlorprothixene in May 2026 — 217,708 items versus 1 in England.
217,708items
Olanzapine · May 2026
NHSBSA Prescription Cost Analysis
1items
Chlorprothixene · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Olanzapine versus Chlorprothixene: national items dispensed by month
▬ Olanzapine · ╌ Chlorprothixene
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Olanzapine | Chlorprothixene |
|---|---|---|
| Items, May 2026 | 217,708 | 1 |
| Items, last 12 months | 2,693,982 | 2 |
| Net ingredient cost, May 2026 | £440,809 | £117 |
See the full profile for Olanzapine or Chlorprothixene.