Olanzapine vs Quetiapine
National NHS prescribing compared (Prescription Cost Analysis)
Quetiapine was dispensed 1.8× as often as Olanzapine in March 2026 — 401,191 items versus 227,743 in England.
227,743items
Olanzapine · March 2026
NHSBSA Prescription Cost Analysis
401,191items
Quetiapine · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Olanzapine versus Quetiapine: national items dispensed by month
▬ Olanzapine · ╌ Quetiapine
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Olanzapine | Quetiapine |
|---|---|---|
| Items, March 2026 | 227,743 | 401,191 |
| Items, last 12 months | 2,701,116 | 4,691,495 |
| Net ingredient cost, March 2026 | £371,369 | £4,459,048 |
See the full profile for Olanzapine or Quetiapine.