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Independent analysis of NHS open data
PharmaInsight

Diazepam vs Amobarbital

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

Diazepam was dispensed 298,319.0× as often as Amobarbital in May 2026 — 298,319 items versus 1 in England.

298,319items

Diazepam · May 2026

NHSBSA Prescription Cost Analysis

1items

Amobarbital · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Diazepam versus Amobarbital: national items dispensed by month

▬ Diazepam   ·   ╌ Amobarbital

0 202k 403k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Amobarbital 298,319 Jan 2021: 378k Feb 2021: 359k Mar 2021: 403k Apr 2021: 382k May 2021: 363k Jun 2021: 386k Jul 2021: 389k Aug 2021: 372k Sep 2021: 385k Oct 2021: 367k Nov 2021: 379k Dec 2021: 392k Jan 2022: 367k Feb 2022: 350k Mar 2022: 395k Apr 2022: 365k May 2022: 380k Jun 2022: 369k Jul 2022: 361k Aug 2022: 376k Sep 2022: 371k Oct 2022: 366k Nov 2022: 375k Dec 2022: 370k Jan 2023: 371k Feb 2023: 339k Mar 2023: 385k Apr 2023: 342k May 2023: 366k Jun 2023: 368k Jul 2023: 356k Aug 2023: 368k Sep 2023: 352k Oct 2023: 355k Nov 2023: 352k Dec 2023: 347k Jan 2024: 356k Feb 2024: 334k Mar 2024: 336k Apr 2024: 343k May 2024: 353k Jun 2024: 325k Jul 2024: 353k Aug 2024: 340k Sep 2024: 329k Oct 2024: 349k Nov 2024: 327k Dec 2024: 335k Jan 2025: 339k Feb 2025: 303k Mar 2025: 320k Apr 2025: 320k May 2025: 328k Jun 2025: 316k Jul 2025: 335k Aug 2025: 309k Sep 2025: 322k Oct 2025: 330k Nov 2025: 299k Dec 2025: 331k Jan 2026: 315k Feb 2026: 289k Mar 2026: 315k Apr 2026: 307k May 2026: 298k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Diazepam versus Amobarbital, May 2026
Measure Diazepam Amobarbital
Items, May 2026 298,319 1
Items, last 12 months 3,766,697 1
Net ingredient cost, May 2026 £547,346 £9

See the full profile for Diazepam or Amobarbital.