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Independent analysis of NHS open data
PharmaInsight

Diazepam

Central Nervous System Hypnotics and anxiolytics BNF 0401020K0
Data updated May 2026 Download CSV

Diazepam was ranked 85th of 1,796 medicines by items in May 2026, with 298,319 items, down 9.2% on a year earlier.

298,319items -9.2%

Dispensed in May 2026

3,114,870items

Rolling 12 months

£547,346

Net ingredient cost · May 2026

Figure 1. Diazepam: national items dispensed by month

0 202k 403k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Jul 2026 319,517 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 Jun 2026: 309k Jul 2026: 320k

Source: NHSBSA Prescription Cost Analysis, to May 2026

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At a glance

  • Therapeutic class Hypnotics and anxiolytics
  • Presentations 15 shown
  • Average cost / item £1.83
  • Year on year Down 9.2% on a year earlier
What this is
Net ingredient cost is the list price before discounts and dispensing fees, not what the NHS finally pays.

Top presentations, May 2026

The individual products dispensed under Diazepam this month.

Presentations of Diazepam, May 2026
Presentation BNF code Items Net ingredient cost
Diazepam 2mg tablets 0401020K0AAAHAH 160,694 £96,108
Diazepam 5mg tablets 0401020K0AAAIAI 121,369 £67,975
Diazepam 10mg tablets 0401020K0AAAJAJ 14,663 £9,017
Diazepam 10mg/2.5ml rectal solution tube 0401020K0AAAEAE 370 £5,258
Diazepam 2mg/5ml oral suspension 0401020K0AACICI 348 £227,953
Diazepam 5mg/2.5ml rectal solution tube 0401020K0AAADAD 305 £3,497
Diazepam 2mg/5ml oral solution sugar free 0401020K0AAAWAW 179 £90,527
Diazepam 2.5mg/5ml oral suspension 0401020K0AACLCL 164 £11,178
Diazepam 10mg/5ml oral suspension 0401020K0AACKCK 136 £20,115
Diazepam 2.5mg/5ml oral solution 0401020K0AACBCB 67 £7,384
Diazepam 2mg/5ml oral solution 0401020K0AAA6A6 7 £4,719
Diazepam 10mg/2ml solution for injection ampoules 0401020K0AAACAC 7 £613
Diazepam 25mg/5ml oral solution 0401020K0AABMBM 4 £2,195
Diazepam 10mg RecTubes 0401020K0BLABAE 4 £86
Diazepam 2mg/5ml oral suspension sugar free 0401020K0AACMCM 2 £722

Source: NHSBSA Prescription Cost Analysis · to May 2026 OGL v3.0

Where Diazepam is dispensed

The regions and dispensing practices with the highest Diazepam volumes.

Regional volumes from NHSBSA Prescription Cost Analysis; practice volumes from NHS dispensing data.

Compare Diazepam with

Other medicines in the same BNF section, by prescribing volume.

Download this data

The monthly series for Diazepam is in this page's CSV. For the ranked national series across every medicine, with the method and caveats documented, see the most-prescribed medicines dataset in our open data catalogue.