Skip to content
Independent analysis of NHS open data
PharmaInsight

Clozapine

Central Nervous System Drugs used in psychoses and related disorders BNF 0402010C0
Data updated May 2026 Download CSV

Clozapine was ranked 1065th of 1,792 medicines by items in May 2026, with 261 items, up 8.8% on a year earlier.

261items +8.8%

Dispensed in May 2026

3,135items

Rolling 12 months

£6,613

Net ingredient cost · May 2026

Figure 1. Clozapine: national items dispensed by month

0 186.5 373 Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 261 Jan 2021: 288 Feb 2021: 266 Mar 2021: 289 Apr 2021: 373 May 2021: 330 Jun 2021: 288 Jul 2021: 278 Aug 2021: 273 Sep 2021: 285 Oct 2021: 277 Nov 2021: 279 Dec 2021: 354 Jan 2022: 248 Feb 2022: 306 Mar 2022: 284 Apr 2022: 282 May 2022: 245 Jun 2022: 236 Jul 2022: 260 Aug 2022: 277 Sep 2022: 250 Oct 2022: 258 Nov 2022: 213 Dec 2022: 261 Jan 2023: 284 Feb 2023: 248 Mar 2023: 245 Apr 2023: 253 May 2023: 219 Jun 2023: 236 Jul 2023: 321 Aug 2023: 269 Sep 2023: 281 Oct 2023: 267 Nov 2023: 309 Dec 2023: 252 Jan 2024: 288 Feb 2024: 238 Mar 2024: 248 Apr 2024: 228 May 2024: 247 Jun 2024: 221 Jul 2024: 240 Aug 2024: 199 Sep 2024: 222 Oct 2024: 190 Nov 2024: 216 Dec 2024: 214 Jan 2025: 261 Feb 2025: 263 Mar 2025: 272 Apr 2025: 214 May 2025: 240 Jun 2025: 245 Jul 2025: 351 Aug 2025: 194 Sep 2025: 267 Oct 2025: 212 Nov 2025: 251 Dec 2025: 315 Jan 2026: 263 Feb 2026: 214 Mar 2026: 253 Apr 2026: 309 May 2026: 261

Source: NHSBSA Prescription Cost Analysis, to May 2026

Download CSV
Embed this chart

At a glance

  • Therapeutic class Drugs used in psychoses and related disorders
  • Presentations 13 shown
  • Average cost / item £25.34
  • Year on year Up 8.8% 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, May 2026

The individual products dispensed under Clozapine this month.

Presentations of Clozapine, May 2026
Presentation BNF code Items Net ingredient cost
Zaponex 100mg tablets 0402010C0BDABAB 62 £1,548
Zaponex 25mg tablets 0402010C0BDAAAA 55 £257
Clozapine 100mg tablets 0402010C0AAABAB 54 £2,572
Clozapine 25mg tablets 0402010C0AAAAAA 32 £277
Clozapine 200mg tablets 0402010C0AAADAD 14 £478
Denzapine 50mg tablets 0402010C0BCACAC 14 £148
Denzapine 100mg tablets 0402010C0BCABAB 9 £754
Clozaril 100mg tablets 0402010C0BBABAB 7 £227
Clozaril 25mg tablets 0402010C0BBAAAA 5 £30
Denzapine 200mg tablets 0402010C0BCADAD 5 £133
Denzapine 25mg tablets 0402010C0BCAAAA 2 £33
Denzapine 50mg/ml oral suspension 0402010C0BCAEAE 1 £155
Zaponex 12.5mg orodispersible tablets 0402010C0BDACAH 1 £0

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

Where Clozapine is dispensed

The regions and dispensing practices with the highest Clozapine volumes.

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

In NHS hospitals

Clozapine is also used in NHS secondary care. See the indicative hospital cost, monthly trend and the trusts using it most on the hospital medicines page.

Compare Clozapine with

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