Olanzapine vs Levomepromazine hydrochloride
National NHS prescribing compared (Prescription Cost Analysis)
Olanzapine was dispensed 19.8× as often as Levomepromazine hydrochloride in May 2026 — 217,708 items versus 10,982 in England.
217,708items
Olanzapine · May 2026
NHSBSA Prescription Cost Analysis
10,982items
Levomepromazine hydrochloride · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Olanzapine versus Levomepromazine hydrochloride: national items dispensed by month
▬ Olanzapine · ╌ Levomepromazine hydrochloride
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Olanzapine | Levomepromazine hydrochloride |
|---|---|---|
| Items, May 2026 | 217,708 | 10,982 |
| Items, last 12 months | 2,693,982 | 136,616 |
| Net ingredient cost, May 2026 | £440,809 | £197,042 |
See the full profile for Olanzapine or Levomepromazine hydrochloride.