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Independent analysis of NHS open data
PharmaInsight

Acetazolamide

Eye Treatment of glaucoma BNF 1106000B0
Data updated April 2026 Download CSV

Acetazolamide was ranked 481st of 1,792 medicines by items in April 2026, with 11,252 items, up 5.8% on a year earlier.

11,252items +5.8%

Dispensed in April 2026

122,954items

Rolling 12 months

£108,107

Net ingredient cost · April 2026

Figure 1. Acetazolamide: national items dispensed by month

0 6k 12k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 11,252 Jan 2021: 9k Feb 2021: 8k Mar 2021: 9k Apr 2021: 9k May 2021: 9k Jun 2021: 9k Jul 2021: 9k Aug 2021: 9k Sep 2021: 10k Oct 2021: 9k Nov 2021: 10k Dec 2021: 10k Jan 2022: 9k Feb 2022: 9k Mar 2022: 10k Apr 2022: 9k May 2022: 10k Jun 2022: 10k Jul 2022: 10k Aug 2022: 10k Sep 2022: 10k Oct 2022: 10k Nov 2022: 10k Dec 2022: 10k Jan 2023: 10k Feb 2023: 9k Mar 2023: 10k Apr 2023: 10k May 2023: 10k Jun 2023: 11k Jul 2023: 10k Aug 2023: 10k Sep 2023: 10k Oct 2023: 11k Nov 2023: 11k Dec 2023: 11k Jan 2024: 11k Feb 2024: 10k Mar 2024: 10k Apr 2024: 11k May 2024: 11k Jun 2024: 10k Jul 2024: 11k Aug 2024: 11k Sep 2024: 11k Oct 2024: 11k Nov 2024: 11k Dec 2024: 11k Jan 2025: 11k Feb 2025: 10k Mar 2025: 11k Apr 2025: 11k May 2025: 11k Jun 2025: 11k Jul 2025: 12k Aug 2025: 11k Sep 2025: 11k Oct 2025: 12k Nov 2025: 11k Dec 2025: 12k Jan 2026: 11k Feb 2026: 10k Mar 2026: 12k Apr 2026: 11k

Source: NHSBSA Prescription Cost Analysis, to April 2026

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At a glance

  • Therapeutic class Treatment of glaucoma
  • Presentations 8 shown
  • Average cost / item £9.61
  • Year on year Up 5.8% 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, April 2026

The individual products dispensed under Acetazolamide this month.

Presentations of Acetazolamide, April 2026
Presentation BNF code Items Net ingredient cost
Acetazolamide 250mg tablets 1106000B0AAACAC 11,159 £102,826
Acetazolamide 250mg/5ml oral suspension 1106000B0AABQBQ 64 £3,729
Diamox SR 250mg capsules 1106000B0BBAEAL 14 £214
Diamox 250mg tablets 1106000B0BBABAC 8 £104
Acetazolamide 125mg/5ml oral liquid 1106000B0AAASAS 3 £641
Acetazolamide 100mg/5ml oral liquid 1106000B0AAA2A2 2 £489
Acetazolamide 250mg modified-release capsules 1106000B0AAALAL 1 £57
Eytazox 250mg modified-release capsules 1106000B0BCAAAL 1 £46

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

Where Acetazolamide is dispensed

The regions and dispensing practices with the highest Acetazolamide volumes.

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

Compare Acetazolamide with

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