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Independent analysis of NHS open data
PharmaInsight

Clonazepam

Central Nervous System Antiepileptic drugs BNF 0408010F0
Data updated May 2026 Download CSV

Clonazepam was ranked 187th of 1,792 medicines by items in May 2026, with 87,325 items, down 4.4% on a year earlier.

87,325items -4.4%

Dispensed in May 2026

1,080,237items

Rolling 12 months

£270,625

Net ingredient cost · May 2026

Figure 1. Clonazepam: national items dispensed by month

0 48k 96k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 87,325 Jan 2021: 84k Feb 2021: 80k Mar 2021: 89k Apr 2021: 87k May 2021: 83k Jun 2021: 87k Jul 2021: 88k Aug 2021: 84k Sep 2021: 87k Oct 2021: 84k Nov 2021: 87k Dec 2021: 92k Jan 2022: 86k Feb 2022: 81k Mar 2022: 91k Apr 2022: 85k May 2022: 88k Jun 2022: 87k Jul 2022: 86k Aug 2022: 89k Sep 2022: 87k Oct 2022: 87k Nov 2022: 88k Dec 2022: 89k Jan 2023: 88k Feb 2023: 82k Mar 2023: 93k Apr 2023: 84k May 2023: 89k Jun 2023: 90k Jul 2023: 88k Aug 2023: 90k Sep 2023: 88k Oct 2023: 89k Nov 2023: 89k Dec 2023: 90k Jan 2024: 91k Feb 2024: 86k Mar 2024: 87k Apr 2024: 90k May 2024: 92k Jun 2024: 86k Jul 2024: 93k Aug 2024: 90k Sep 2024: 87k Oct 2024: 93k Nov 2024: 89k Dec 2024: 92k Jan 2025: 93k Feb 2025: 83k Mar 2025: 88k Apr 2025: 89k May 2025: 91k Jun 2025: 88k Jul 2025: 94k Aug 2025: 87k Sep 2025: 91k Oct 2025: 94k Nov 2025: 86k Dec 2025: 96k Jan 2026: 91k Feb 2026: 84k Mar 2026: 92k Apr 2026: 90k May 2026: 87k

Source: NHSBSA Prescription Cost Analysis, to May 2026

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At a glance

  • Therapeutic class Antiepileptic drugs
  • Presentations 13 shown
  • Average cost / item £3.10
  • Year on year Down 4.4% 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 Clonazepam this month.

Presentations of Clonazepam, May 2026
Presentation BNF code Items Net ingredient cost
Clonazepam 500microgram tablets 0408010F0AAABAB 72,399 £69,045
Clonazepam 2mg tablets 0408010F0AAACAC 8,084 £5,264
Clonazepam 1mg tablets 0408010F0AADEDE 4,880 £58,394
Clonazepam 500micrograms/5ml oral solution sugar free 0408010F0AACQCQ 1,464 £93,662
Clonazepam 2mg/5ml oral solution sugar free 0408010F0AACRCR 440 £34,641
Clonazepam 2.5mg/ml drops 0408010F0AADCDC 17 £697
Clonazepam 500micrograms/5ml oral liquid 0408010F0AABEBE 13 £3,419
Clonazepam 250micrograms/5ml oral solution 0408010F0AABCBC 12 £685
Clonazepam 250micrograms/5ml oral suspension 0408010F0AADDDD 8 £1,967
Clonazepam 2mg/5ml oral liquid 0408010F0AABSBS 4 £2,326
Clonazepam 125micrograms/5ml oral liquid 0408010F0AACECE 2 £518
Clonazepam 5mg/5ml oral liquid 0408010F0AABMBM 1 £7
Rivotril 500microgram tablets 0408010F0BBAAAB 1 £2

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

Where Clonazepam is dispensed

The regions and dispensing practices with the highest Clonazepam volumes.

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

Compare Clonazepam with

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