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Sodium chloride vs Potassium chloride

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

Sodium chloride was dispensed 11,500.0× as often as Potassium chloride in March 2026 — 11,500 items versus 1 in England.

11,500items

Sodium chloride · March 2026

NHSBSA Prescription Cost Analysis

1items

Potassium chloride · March 2026

NHSBSA Prescription Cost Analysis

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

▬ Sodium chloride   ·   ╌ Potassium chloride

Potassium chlori… 11,500

Source: NHSBSA Prescription Cost Analysis, to March 2026

Sodium chloride versus Potassium chloride, March 2026
Measure Sodium chloride Potassium chloride
Items, March 2026 11,500 1
Items, last 12 months 131,303 15
Net ingredient cost, March 2026 £343,015 £28

See the full profile for Sodium chloride or Potassium chloride.