Olanzapine vs Levomepromazine hydrochloride
National NHS prescribing compared (Prescription Cost Analysis)
Olanzapine was dispensed 20.2× as often as Levomepromazine hydrochloride in March 2026 — 227,743 items versus 11,254 in England.
227,743items
Olanzapine · March 2026
NHSBSA Prescription Cost Analysis
11,254items
Levomepromazine hydrochloride · March 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 March 2026
| Measure | Olanzapine | Levomepromazine hydrochloride |
|---|---|---|
| Items, March 2026 | 227,743 | 11,254 |
| Items, last 12 months | 2,701,116 | 135,690 |
| Net ingredient cost, March 2026 | £371,369 | £198,822 |
See the full profile for Olanzapine or Levomepromazine hydrochloride.