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Independent analysis of NHS open data
PharmaInsight

Capsaicin vs Diclofenac diethyl

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

Diclofenac diethyl was dispensed 33.6× as often as Capsaicin in May 2026 — 226,102 items versus 6,728 in England.

6,728items

Capsaicin · May 2026

NHSBSA Prescription Cost Analysis

226,102items

Diclofenac diethyl · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Capsaicin versus Diclofenac diethyl: national items dispensed by month

▬ Capsaicin   ·   ╌ Diclofenac diethyl

0 119k 238k Jan 2021 Nov 2021 Sep 2022 Jul 2023 Jun 2024 Apr 2025 May 2026 Diclofenac dieth… 6,728 Jan 2021: 21k Feb 2021: 20k Mar 2021: 24k Apr 2021: 23k May 2021: 23k Jun 2021: 25k Jul 2021: 25k Aug 2021: 24k Sep 2021: 26k Oct 2021: 25k Nov 2021: 26k Dec 2021: 26k Jan 2022: 23k Feb 2022: 20k Mar 2022: 19k Apr 2022: 26k May 2022: 29k Jun 2022: 24k Jul 2022: 19k Aug 2022: 15k Sep 2022: 15k Oct 2022: 19k Nov 2022: 20k Dec 2022: 18k Jan 2023: 16k Feb 2023: 12k Mar 2023: 10k Apr 2023: 7k May 2023: 7k Jun 2023: 7k Jul 2023: 6k Aug 2023: 5k Sep 2023: 5k Oct 2023: 5k Nov 2023: 5k Dec 2023: 5k Feb 2024: 4k Mar 2024: 4k Apr 2024: 4k May 2024: 4k Jun 2024: 3k Jul 2024: 3k Aug 2024: 3k Sep 2024: 3k Oct 2024: 3k Nov 2024: 3k Dec 2024: 3k Jan 2025: 3k Feb 2025: 3k Mar 2025: 3k Apr 2025: 3k May 2025: 3k Jun 2025: 3k Jul 2025: 3k Aug 2025: 3k Sep 2025: 2k Oct 2025: 2k Nov 2025: 2k Dec 2025: 2k Jan 2026: 3k Feb 2026: 3k Mar 2026: 5k Apr 2026: 6k May 2026: 7k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Capsaicin versus Diclofenac diethyl, May 2026
Measure Capsaicin Diclofenac diethyl
Items, May 2026 6,728 226,102
Items, last 12 months 40,703 2,719,143
Net ingredient cost, May 2026 £204,364 £1,889,765

See the full profile for Capsaicin or Diclofenac diethyl.