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Independent analysis of NHS open data
PharmaInsight

Dorzolamide

Eye Treatment of glaucoma BNF 1106000P0
Data updated May 2026 Download CSV

Dorzolamide was ranked 256th of 1,792 medicines by items in May 2026, with 47,558 items, up 0.9% on a year earlier.

47,558items +0.9%

Dispensed in May 2026

573,598items

Rolling 12 months

£772,825

Net ingredient cost · May 2026

Figure 1. Dorzolamide: national items dispensed by month

0 26k 51k Jan 2021 Nov 2021 Oct 2022 Aug 2023 Jun 2024 Apr 2025 May 2026 47,558 Jan 2021: 30k Feb 2021: 28k Mar 2021: 32k Apr 2021: 31k May 2021: 31k Jun 2021: 33k Jul 2021: 33k Aug 2021: 32k Sep 2021: 34k Oct 2021: 32k Nov 2021: 34k Dec 2021: 36k Jan 2022: 33k Feb 2022: 32k Mar 2022: 36k Apr 2022: 34k Jun 2022: 35k Jul 2022: 36k Aug 2022: 36k Sep 2022: 37k Oct 2022: 36k Nov 2022: 37k Dec 2022: 38k Jan 2023: 39k Feb 2023: 36k Mar 2023: 41k Apr 2023: 38k May 2023: 40k Jun 2023: 41k Jul 2023: 40k Aug 2023: 40k Sep 2023: 40k Oct 2023: 41k Nov 2023: 42k Dec 2023: 41k Jan 2024: 43k Feb 2024: 40k Mar 2024: 41k Apr 2024: 43k May 2024: 44k Jun 2024: 42k Jul 2024: 46k Aug 2024: 44k Sep 2024: 43k Oct 2024: 46k Nov 2024: 44k Dec 2024: 45k Jan 2025: 46k Feb 2025: 42k Mar 2025: 45k Apr 2025: 45k May 2025: 47k Jun 2025: 45k Jul 2025: 49k Aug 2025: 45k Sep 2025: 47k Oct 2025: 48k Nov 2025: 44k Dec 2025: 49k Jan 2026: 51k Feb 2026: 48k Mar 2026: 50k Apr 2026: 49k May 2026: 48k

Source: NHSBSA Prescription Cost Analysis, to May 2026

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At a glance

  • Therapeutic class Treatment of glaucoma
  • Presentations 6 shown
  • Average cost / item £16.25
  • Year on year Up 0.9% 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 Dorzolamide this month.

Presentations of Dorzolamide, May 2026
Presentation BNF code Items Net ingredient cost
Dorzolamide 20mg/ml eye drops 1106000P0AAAAAA 20,046 £77,485
Trusopt 20mg/ml eye drops 0.2ml unit dose preservative free 1106000P0BBABAB 18,751 £599,064
Eydelto 20mg/ml eye drops 1106000P0BDAAAC 6,744 £75,310
Trusopt 20mg/ml eye drops 1106000P0BBAAAA 1,427 £13,882
Dimaz 20mg/ml eye drops 1106000P0BFAAAC 557 £6,687
Vizidor 20mg/ml eye drops 1106000P0BEAAAC 33 £397

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

Where Dorzolamide is dispensed

The regions and dispensing practices with the highest Dorzolamide volumes.

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

Compare Dorzolamide with

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