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Independent analysis of NHS open data
PharmaInsight

Formaldehyde vs Silver nitrate

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

Silver nitrate was dispensed 141.0× as often as Formaldehyde in May 2026 — 423 items versus 3 in England.

3items

Formaldehyde · May 2026

NHSBSA Prescription Cost Analysis

423items

Silver nitrate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Formaldehyde versus Silver nitrate: national items dispensed by month

▬ Formaldehyde   ·   ╌ Silver nitrate

0 330 660 Jan 2021 Nov 2021 Aug 2022 May 2023 Feb 2024 Dec 2024 May 2026 Silver nitrate 3 Jan 2021: 11 Feb 2021: 17 Mar 2021: 21 Apr 2021: 17 May 2021: 13 Jul 2021: 13 Aug 2021: 8 Sep 2021: 17 Oct 2021: 12 Nov 2021: 6 Dec 2021: 12 Jan 2022: 5 Feb 2022: 20 Mar 2022: 15 Apr 2022: 12 May 2022: 19 Jun 2022: 9 Jul 2022: 9 Aug 2022: 17 Sep 2022: 12 Oct 2022: 15 Nov 2022: 22 Dec 2022: 11 Jan 2023: 8 Feb 2023: 8 Mar 2023: 12 Apr 2023: 9 May 2023: 7 Jun 2023: 9 Jul 2023: 16 Aug 2023: 8 Sep 2023: 14 Oct 2023: 12 Nov 2023: 12 Dec 2023: 8 Jan 2024: 9 Feb 2024: 17 Mar 2024: 14 Apr 2024: 3 May 2024: 5 Jun 2024: 8 Jul 2024: 4 Aug 2024: 8 Oct 2024: 3 Nov 2024: 4 Dec 2024: 9 Jan 2025: 5 Feb 2025: 2 Mar 2025: 5 Apr 2025: 6 May 2025: 5 Jun 2025: 8 Jul 2025: 4 Aug 2025: 3 Sep 2025: 4 Oct 2025: 2 Nov 2025: 2 Dec 2025: 3 Jan 2026: 3 Feb 2026: 3 Mar 2026: 5 Apr 2026: 5 May 2026: 3

Source: NHSBSA Prescription Cost Analysis, to May 2026

Formaldehyde versus Silver nitrate, May 2026
Measure Formaldehyde Silver nitrate
Items, May 2026 3 423
Items, last 12 months 45 5,368
Net ingredient cost, May 2026 £421 £5,419

See the full profile for Formaldehyde or Silver nitrate.