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Independent analysis of NHS open data
PharmaInsight

Diazepam vs Oxazepam

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

Diazepam was dispensed 99.3× as often as Oxazepam in May 2026 — 298,319 items versus 3,003 in England.

298,319items

Diazepam · May 2026

NHSBSA Prescription Cost Analysis

3,003items

Oxazepam · May 2026

NHSBSA Prescription Cost Analysis

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

▬ Diazepam   ·   ╌ Oxazepam

0 202k 403k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Oxazepam 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 Oxazepam, May 2026
Measure Diazepam Oxazepam
Items, May 2026 298,319 3,003
Items, last 12 months 3,766,697 38,285
Net ingredient cost, May 2026 £547,346 £31,309

See the full profile for Diazepam or Oxazepam.