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Independent analysis of NHS open data
PharmaInsight

Diltiazem hydrochloride vs Phenol

National NHS prescribing compared (Prescription Cost Analysis)
Data updated April 2026

Diltiazem hydrochloride was dispensed 2,345.0× as often as Phenol in April 2026 — 2,345 items versus 1 in England.

2,345items

Diltiazem hydrochloride · April 2026

NHSBSA Prescription Cost Analysis

1items

Phenol · April 2026

NHSBSA Prescription Cost Analysis

Figure 1. Diltiazem hydrochloride versus Phenol: national items dispensed by month

▬ Diltiazem hydrochloride   ·   ╌ Phenol

0 1k 2k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 Phenol 2,345 Jan 2021: 2k Feb 2021: 2k Mar 2021: 2k Apr 2021: 2k May 2021: 2k Jun 2021: 2k Jul 2021: 2k Aug 2021: 2k Sep 2021: 2k Oct 2021: 2k Nov 2021: 2k Dec 2021: 2k Jan 2022: 2k Feb 2022: 2k Mar 2022: 2k Apr 2022: 2k May 2022: 2k Jun 2022: 2k Jul 2022: 2k Aug 2022: 2k Sep 2022: 2k Oct 2022: 2k Nov 2022: 2k Dec 2022: 2k Jan 2023: 2k Feb 2023: 2k Mar 2023: 2k Apr 2023: 2k May 2023: 2k Jun 2023: 2k Jul 2023: 2k Aug 2023: 2k Sep 2023: 2k Oct 2023: 2k Nov 2023: 2k Dec 2023: 2k Jan 2024: 2k Feb 2024: 2k Mar 2024: 2k Apr 2024: 2k May 2024: 2k Jun 2024: 2k Jul 2024: 2k Aug 2024: 2k Sep 2024: 2k Oct 2024: 2k Nov 2024: 2k Dec 2024: 2k Jan 2025: 2k Feb 2025: 2k Mar 2025: 2k Apr 2025: 2k May 2025: 2k Jun 2025: 2k Jul 2025: 2k Aug 2025: 2k Sep 2025: 2k Oct 2025: 2k Nov 2025: 2k Dec 2025: 2k Jan 2026: 2k Feb 2026: 2k Mar 2026: 2k Apr 2026: 2k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Diltiazem hydrochloride versus Phenol, April 2026
Measure Diltiazem hydrochloride Phenol
Items, April 2026 2,345 1
Items, last 12 months 27,942 110
Net ingredient cost, April 2026 £29,753 £15

See the full profile for Diltiazem hydrochloride or Phenol.