Skip to content
Independent analysis of NHS open data
PharmaInsight

Alfentanil hydrochloride vs Flumazenil

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

Alfentanil hydrochloride was dispensed 280.0× as often as Flumazenil in April 2026 — 560 items versus 2 in England.

560items

Alfentanil hydrochloride · April 2026

NHSBSA Prescription Cost Analysis

2items

Flumazenil · April 2026

NHSBSA Prescription Cost Analysis

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

▬ Alfentanil hydrochloride   ·   ╌ Flumazenil

0 315.5 631 Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 Flumazenil 560 Jan 2021: 383 Feb 2021: 406 Mar 2021: 454 Apr 2021: 451 May 2021: 430 Jun 2021: 443 Jul 2021: 489 Aug 2021: 464 Sep 2021: 422 Oct 2021: 409 Nov 2021: 400 Dec 2021: 443 Jan 2022: 445 Feb 2022: 337 Mar 2022: 449 Apr 2022: 396 May 2022: 473 Jun 2022: 403 Jul 2022: 425 Aug 2022: 413 Sep 2022: 339 Oct 2022: 385 Nov 2022: 444 Dec 2022: 421 Jan 2023: 461 Feb 2023: 414 Mar 2023: 470 Apr 2023: 461 May 2023: 515 Jun 2023: 480 Jul 2023: 457 Aug 2023: 498 Sep 2023: 500 Oct 2023: 473 Nov 2023: 488 Dec 2023: 502 Jan 2024: 504 Feb 2024: 486 Mar 2024: 547 Apr 2024: 458 May 2024: 601 Jun 2024: 491 Jul 2024: 512 Aug 2024: 456 Sep 2024: 476 Oct 2024: 491 Nov 2024: 475 Dec 2024: 526 Jan 2025: 478 Feb 2025: 425 Mar 2025: 514 Apr 2025: 501 May 2025: 544 Jun 2025: 530 Jul 2025: 631 Aug 2025: 548 Sep 2025: 549 Oct 2025: 585 Nov 2025: 525 Dec 2025: 609 Jan 2026: 611 Feb 2026: 585 Mar 2026: 516 Apr 2026: 560

Source: NHSBSA Prescription Cost Analysis, to April 2026

Alfentanil hydrochloride versus Flumazenil, April 2026
Measure Alfentanil hydrochloride Flumazenil
Items, April 2026 560 2
Items, last 12 months 6,793 5
Net ingredient cost, April 2026 £7,048 £224

See the full profile for Alfentanil hydrochloride or Flumazenil.