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Independent analysis of NHS open data
PharmaInsight

Potassium permanganate vs Ster larvae

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

Potassium permanganate was dispensed 14.4× as often as Ster larvae in May 2026 — 332 items versus 23 in England.

332items

Potassium permanganate · May 2026

NHSBSA Prescription Cost Analysis

23items

Ster larvae · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Potassium permanganate versus Ster larvae: national items dispensed by month

▬ Potassium permanganate   ·   ╌ Ster larvae

0 416.5 833 Jan 2021 Nov 2021 Sep 2022 Jul 2023 Jun 2024 Apr 2025 May 2026 Ster larvae 332 Jan 2021: 712 Feb 2021: 709 Mar 2021: 655 Apr 2021: 696 May 2021: 719 Jun 2021: 823 Jul 2021: 829 Aug 2021: 766 Sep 2021: 833 Oct 2021: 764 Nov 2021: 729 Dec 2021: 692 Jan 2022: 710 Feb 2022: 669 Mar 2022: 780 Apr 2022: 652 May 2022: 645 Jun 2022: 719 Jul 2022: 686 Aug 2022: 711 Sep 2022: 575 Oct 2022: 598 Nov 2022: 628 Dec 2022: 488 Jan 2023: 488 Feb 2023: 471 Mar 2023: 547 Apr 2023: 490 May 2023: 542 Jun 2023: 593 Jul 2023: 627 Aug 2023: 584 Sep 2023: 598 Oct 2023: 525 Nov 2023: 514 Dec 2023: 430 Feb 2024: 399 Mar 2024: 458 Apr 2024: 445 May 2024: 470 Jun 2024: 493 Jul 2024: 517 Aug 2024: 515 Sep 2024: 505 Oct 2024: 486 Nov 2024: 443 Dec 2024: 431 Jan 2025: 418 Feb 2025: 367 Mar 2025: 390 Apr 2025: 391 May 2025: 439 Jun 2025: 444 Jul 2025: 492 Aug 2025: 431 Sep 2025: 449 Oct 2025: 391 Nov 2025: 317 Dec 2025: 359 Jan 2026: 355 Feb 2026: 316 Mar 2026: 370 Apr 2026: 353 May 2026: 332

Source: NHSBSA Prescription Cost Analysis, to May 2026

Potassium permanganate versus Ster larvae, May 2026
Measure Potassium permanganate Ster larvae
Items, May 2026 332 23
Items, last 12 months 4,609 284
Net ingredient cost, May 2026 £9,408 £9,387

See the full profile for Potassium permanganate or Ster larvae.