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Independent analysis of NHS open data
PharmaInsight

Promethazine hydrochloride

Respiratory System Antihistamines, hyposensitisation and allergic emergencies BNF 0304010W0
Data updated April 2026 Download CSV

Promethazine hydrochloride was ranked 105th of 1,792 medicines by items in April 2026, with 246,200 items, up 7.7% on a year earlier.

246,200items +7.7%

Dispensed in April 2026

2,677,655items

Rolling 12 months

£472,333

Net ingredient cost · April 2026

Figure 1. Promethazine hydrochloride: national items dispensed by month

0 127k 255k Jan 2021 Oct 2021 Aug 2022 May 2023 Feb 2024 Nov 2024 Apr 2026 246,200 Jan 2021: 156k Feb 2021: 150k Mar 2021: 167k Apr 2021: 156k May 2021: 150k Jun 2021: 161k Jul 2021: 161k Aug 2021: 156k Sep 2021: 167k Oct 2021: 161k Nov 2021: 170k Dec 2021: 174k Jan 2022: 177k Feb 2022: 167k Mar 2022: 186k Apr 2022: 172k Jun 2022: 173k Jul 2022: 171k Aug 2022: 176k Sep 2022: 183k Oct 2022: 181k Nov 2022: 192k Dec 2022: 183k Jan 2023: 197k Feb 2023: 185k Mar 2023: 209k Apr 2023: 184k May 2023: 198k Jun 2023: 201k Jul 2023: 198k Aug 2023: 203k Sep 2023: 201k Oct 2023: 211k Nov 2023: 213k Dec 2023: 210k Jan 2024: 227k Feb 2024: 214k Mar 2024: 217k Apr 2024: 221k May 2024: 225k Jun 2024: 210k Jul 2024: 228k Aug 2024: 221k Sep 2024: 221k Oct 2024: 239k Nov 2024: 228k Dec 2024: 232k Jan 2025: 248k Feb 2025: 222k Mar 2025: 232k Apr 2025: 229k May 2025: 236k Jun 2025: 231k Jul 2025: 245k Aug 2025: 228k Sep 2025: 243k Oct 2025: 253k Nov 2025: 234k Dec 2025: 255k Jan 2026: 255k Feb 2026: 236k Mar 2026: 252k Apr 2026: 246k

Source: NHSBSA Prescription Cost Analysis, to April 2026

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At a glance

  • Therapeutic class Antihistamines, hyposensitisation and allergic emergencies
  • Presentations 9 shown
  • Average cost / item £1.92
  • Year on year Up 7.7% 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 Promethazine hydrochloride this month.

Presentations of Promethazine hydrochloride, April 2026
Presentation BNF code Items Net ingredient cost
Promethazine hydrochloride 25mg tablets 0304010W0AAALAL 178,080 £227,935
Promethazine hydrochloride 10mg tablets 0304010W0AAADAD 38,651 £51,309
Phenergan 25mg tablets 0304010W0BBABAL 20,230 £73,085
Phenergan 5mg/5ml elixir 0304010W0BBAJAP 7,289 £110,087
Sominex 20mg tablets 0304010W0BCAAAE 1,910 £8,339
Phenergan 10mg tablets 0304010W0BBAAAD 21 £84
Promethazine 25mg/1ml solution for injection ampoules 0304010W0AAABAB 15 £357
Promethazine 25mg/5ml oral liquid 0304010W0AAAQAQ 2 £1,053
Promethazine 5mg/5ml oral solution 0304010W0AAAUAU 2 £83

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

Where Promethazine hydrochloride is dispensed

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

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

Compare Promethazine hydrochloride with

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