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Independent analysis of NHS open data
PharmaInsight

Sodium chloride vs Potassium chloride

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

Sodium chloride was dispensed 11,279.0× as often as Potassium chloride in April 2026 — 11,279 items versus 1 in England.

11,279items

Sodium chloride · April 2026

NHSBSA Prescription Cost Analysis

1items

Potassium chloride · April 2026

NHSBSA Prescription Cost Analysis

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

▬ Sodium chloride   ·   ╌ Potassium chloride

0 6k 12k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 Potassium chlori… 11,279 Jan 2021: 8k Feb 2021: 8k Mar 2021: 9k Apr 2021: 8k May 2021: 8k Jun 2021: 9k Jul 2021: 9k Aug 2021: 9k Sep 2021: 9k Oct 2021: 9k Nov 2021: 9k Dec 2021: 9k Jan 2022: 9k Feb 2022: 8k Mar 2022: 9k Apr 2022: 9k May 2022: 9k Jun 2022: 9k Jul 2022: 10k Aug 2022: 10k Sep 2022: 10k Oct 2022: 9k Nov 2022: 10k Dec 2022: 9k Jan 2023: 10k Feb 2023: 9k Mar 2023: 10k Apr 2023: 9k May 2023: 10k Jun 2023: 10k Jul 2023: 10k Aug 2023: 10k Sep 2023: 10k Oct 2023: 10k Nov 2023: 9k Dec 2023: 10k Jan 2024: 10k Feb 2024: 10k Mar 2024: 10k Apr 2024: 10k May 2024: 10k Jun 2024: 9k Jul 2024: 11k Aug 2024: 10k Sep 2024: 10k Oct 2024: 10k Nov 2024: 10k Dec 2024: 10k Jan 2025: 10k Feb 2025: 9k Mar 2025: 10k Apr 2025: 10k May 2025: 11k Jun 2025: 11k Jul 2025: 12k Aug 2025: 11k Sep 2025: 11k Oct 2025: 11k Nov 2025: 10k Dec 2025: 12k Jan 2026: 11k Feb 2026: 10k Mar 2026: 12k Apr 2026: 11k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Sodium chloride versus Potassium chloride, April 2026
Measure Sodium chloride Potassium chloride
Items, April 2026 11,279 1
Items, last 12 months 132,408 15
Net ingredient cost, April 2026 £334,712 £28

See the full profile for Sodium chloride or Potassium chloride.