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Independent analysis of NHS open data
PharmaInsight

Oral rehydration salts vs Sodium bicarbonate

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

Sodium bicarbonate was dispensed 3.4× as often as Oral rehydration salts in May 2026 — 54,107 items versus 16,090 in England.

16,090items

Oral rehydration salts · May 2026

NHSBSA Prescription Cost Analysis

54,107items

Sodium bicarbonate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Oral rehydration salts versus Sodium bicarbonate: national items dispensed by month

▬ Oral rehydration salts   ·   ╌ Sodium bicarbonate

0 29k 58k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Sodium bicarbona… 16,090 Jan 2021: 14k Feb 2021: 12k Mar 2021: 12k Apr 2021: 12k May 2021: 13k Jun 2021: 16k Jul 2021: 18k Aug 2021: 17k Sep 2021: 18k Oct 2021: 19k Nov 2021: 20k Dec 2021: 20k Jan 2022: 15k Feb 2022: 17k Mar 2022: 22k Apr 2022: 18k May 2022: 18k Jun 2022: 18k Jul 2022: 17k Aug 2022: 13k Sep 2022: 10k Oct 2022: 11k Nov 2022: 12k Dec 2022: 11k Jan 2023: 11k Feb 2023: 11k Mar 2023: 15k Apr 2023: 11k May 2023: 13k Jun 2023: 16k Jul 2023: 15k Aug 2023: 13k Sep 2023: 14k Oct 2023: 15k Nov 2023: 16k Dec 2023: 16k Jan 2024: 16k Feb 2024: 15k Mar 2024: 16k Apr 2024: 16k May 2024: 17k Jun 2024: 17k Jul 2024: 18k Aug 2024: 15k Sep 2024: 15k Oct 2024: 16k Nov 2024: 14k Dec 2024: 16k Jan 2025: 18k Feb 2025: 17k Mar 2025: 19k Apr 2025: 18k May 2025: 18k Jun 2025: 17k Jul 2025: 18k Aug 2025: 14k Sep 2025: 15k Oct 2025: 16k Nov 2025: 14k Dec 2025: 15k Jan 2026: 16k Feb 2026: 14k Mar 2026: 17k Apr 2026: 16k May 2026: 16k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Oral rehydration salts versus Sodium bicarbonate, May 2026
Measure Oral rehydration salts Sodium bicarbonate
Items, May 2026 16,090 54,107
Items, last 12 months 187,805 654,059
Net ingredient cost, May 2026 £210,668 £488,777

See the full profile for Oral rehydration salts or Sodium bicarbonate.