Nitrous oxide vs Alfentanil hydrochloride
National NHS prescribing compared (Prescription Cost Analysis)
Alfentanil hydrochloride was dispensed 91.3× as often as Nitrous oxide in May 2026 — 548 items versus 6 in England.
6items
Nitrous oxide · May 2026
NHSBSA Prescription Cost Analysis
548items
Alfentanil hydrochloride · May 2026
NHSBSA Prescription Cost Analysis
Figure 1. Nitrous oxide versus Alfentanil hydrochloride: national items dispensed by month
▬ Nitrous oxide · ╌ Alfentanil hydrochloride
Source: NHSBSA Prescription Cost Analysis, to May 2026
| Measure | Nitrous oxide | Alfentanil hydrochloride |
|---|---|---|
| Items, May 2026 | 6 | 548 |
| Items, last 12 months | 40 | 6,756 |
| Net ingredient cost, May 2026 | £3,166 | £8,230 |
See the full profile for Nitrous oxide or Alfentanil hydrochloride.