Skip to content
Independent analysis of NHS open data
PharmaInsight

Diltiazem hydrochloride

Cardiovascular System Nitrates, calcium-channel blockers & other antianginal drugs BNF 0206020C0
Data updated April 2026 Download CSV

Diltiazem hydrochloride was ranked 138th of 1,792 medicines by items in April 2026, with 158,483 items, down 3.5% on a year earlier.

158,483items -3.5%

Dispensed in April 2026

1,784,778items

Rolling 12 months

£1,299,291

Net ingredient cost · April 2026

Figure 1. Diltiazem hydrochloride: national items dispensed by month

0 103k 207k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 158,483 Jan 2021: 198k Feb 2021: 186k Mar 2021: 207k Apr 2021: 200k May 2021: 190k Jun 2021: 201k Jul 2021: 200k Aug 2021: 191k Sep 2021: 198k Oct 2021: 188k Nov 2021: 195k Dec 2021: 204k Jan 2022: 188k Feb 2022: 178k Mar 2022: 197k Apr 2022: 189k May 2022: 195k Jun 2022: 187k Jul 2022: 189k Aug 2022: 192k Sep 2022: 187k Oct 2022: 186k Nov 2022: 189k Dec 2022: 189k Jan 2023: 185k Feb 2023: 171k Mar 2023: 192k Apr 2023: 171k May 2023: 182k Jun 2023: 183k Jul 2023: 177k Aug 2023: 181k Sep 2023: 176k Oct 2023: 178k Nov 2023: 178k Dec 2023: 177k Jan 2024: 179k Feb 2024: 167k Mar 2024: 170k Apr 2024: 175k May 2024: 177k Jun 2024: 165k Jul 2024: 179k Aug 2024: 173k Sep 2024: 165k Oct 2024: 175k Nov 2024: 167k Dec 2024: 174k Jan 2025: 174k Feb 2025: 156k Mar 2025: 164k Apr 2025: 164k May 2025: 171k Jun 2025: 163k Jul 2025: 172k Aug 2025: 159k Sep 2025: 166k Oct 2025: 169k Nov 2025: 155k Dec 2025: 171k Jan 2026: 162k Feb 2026: 148k Mar 2026: 162k Apr 2026: 158k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Download CSV
Embed this chart

At a glance

  • Therapeutic class Nitrates, calcium-channel blockers & other antianginal drugs
  • Presentations 15 shown
  • Average cost / item £8.20
  • Year on year Down 3.5% 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 Diltiazem hydrochloride this month.

Presentations of Diltiazem hydrochloride, April 2026
Presentation BNF code Items Net ingredient cost
Adizem-XL 120mg capsules 0206020C0BFAGAU 13,107 £134,177
Diltiazem 60mg modified-release tablets 0206020C0AAAAAA 13,037 £39,043
Tildiem 60mg modified-release tablets 0206020C0BBAAAA 12,101 £67,965
Adizem-SR 90mg capsules 0206020C0BFACAT 10,905 £88,533
Tildiem LA 200 capsules 0206020C0BBAEAX 10,348 £78,470
Adizem-XL 240mg capsules 0206020C0BFAIAW 9,875 £125,738
Adizem-XL 180mg capsules 0206020C0BFAHAV 9,362 £111,699
Tildiem Retard 90mg tablets 0206020C0BBABAC 8,201 £60,506
Adizem-SR 120mg capsules 0206020C0BFADAU 6,965 £61,818
Tildiem LA 300 capsules 0206020C0BBADAE 6,836 £68,282
Tildiem Retard 120mg tablets 0206020C0BBACAS 6,656 £44,807
Adizem-XL 300mg capsules 0206020C0BFAFAE 6,535 £66,427
Zemtard 120 XL capsules 0206020C0BMABAU 6,303 £42,398
Zemtard 180 XL capsules 0206020C0BMACAV 5,763 £44,067
Angitil SR 90 capsules 0206020C0BJAAAT 4,593 £29,924

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

Where Diltiazem hydrochloride is dispensed

The regions and dispensing practices with the highest Diltiazem hydrochloride volumes.

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

Compare Diltiazem hydrochloride with

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