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Independent analysis of NHS open data
PharmaInsight

Sodium polystyrene sulfonate vs Potassium chloride

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

Potassium chloride was dispensed 649.6× as often as Sodium polystyrene sulfonate in May 2026 — 12,343 items versus 19 in England.

19items

Sodium polystyrene sulfonate · May 2026

NHSBSA Prescription Cost Analysis

12,343items

Potassium chloride · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Sodium polystyrene sulfonate versus Potassium chloride: national items dispensed by month

▬ Sodium polystyrene sulfonate   ·   ╌ Potassium chloride

0 10k 20k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Potassium chlori… 19 Jan 2021: 17 Feb 2021: 13 Mar 2021: 19 Apr 2021: 10 May 2021: 14 Jun 2021: 11 Jul 2021: 14 Aug 2021: 11 Sep 2021: 12 Oct 2021: 10 Nov 2021: 16 Dec 2021: 8 Jan 2022: 11 Feb 2022: 9 Mar 2022: 10 Apr 2022: 9 May 2022: 16 Jun 2022: 16 Jul 2022: 11 Aug 2022: 9 Sep 2022: 12 Oct 2022: 15 Nov 2022: 11 Dec 2022: 12 Jan 2023: 16 Feb 2023: 9 Mar 2023: 11 Apr 2023: 12 May 2023: 16 Jun 2023: 16 Jul 2023: 15 Aug 2023: 12 Sep 2023: 9 Oct 2023: 21 Nov 2023: 15 Dec 2023: 15 Jan 2024: 17 Feb 2024: 13 Mar 2024: 18 Apr 2024: 9 May 2024: 19 Jun 2024: 9 Jul 2024: 19 Aug 2024: 11 Sep 2024: 12 Oct 2024: 16 Nov 2024: 21 Dec 2024: 15 Jan 2025: 13 Feb 2025: 18 Mar 2025: 16 Apr 2025: 16 May 2025: 12 Jun 2025: 12 Jul 2025: 14 Aug 2025: 7 Sep 2025: 12 Oct 2025: 17 Nov 2025: 7 Dec 2025: 12 Jan 2026: 11 Feb 2026: 13 Mar 2026: 14 Apr 2026: 11 May 2026: 19

Source: NHSBSA Prescription Cost Analysis, to May 2026

Sodium polystyrene sulfonate versus Potassium chloride, May 2026
Measure Sodium polystyrene sulfonate Potassium chloride
Items, May 2026 19 12,343
Items, last 12 months 149 148,710
Net ingredient cost, May 2026 £4,087 £303,227

See the full profile for Sodium polystyrene sulfonate or Potassium chloride.