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Independent analysis of NHS open data
PharmaInsight

Methoxyflurane vs Alfentanil hydrochloride

National NHS prescribing compared (Prescription Cost Analysis)
Data updated May 2026

Alfentanil hydrochloride was dispensed 546.0× as often as Methoxyflurane in May 2026 — 546 items versus 1 in England.

1items

Methoxyflurane · May 2026

NHSBSA Prescription Cost Analysis

546items

Alfentanil hydrochloride · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Methoxyflurane versus Alfentanil hydrochloride: national items dispensed by month

▬ Methoxyflurane   ·   ╌ Alfentanil hydrochloride

0 315.5 631 Nov 2023 Jul 2024 Jan 2025 May 2025 May 2026 Alfentanil hydro… 1 Nov 2023: 1 Mar 2024: 1 Jul 2024: 1 Nov 2024: 1 Jan 2025: 2 Feb 2025: 1 May 2025: 1 Aug 2025: 1 Oct 2025: 1 May 2026: 1

Source: NHSBSA Prescription Cost Analysis, to May 2026

Methoxyflurane versus Alfentanil hydrochloride, May 2026
Measure Methoxyflurane Alfentanil hydrochloride
Items, May 2026 1 546
Items, last 12 months 11 6,813
Net ingredient cost, May 2026 £18 £7,616

See the full profile for Methoxyflurane or Alfentanil hydrochloride.