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Independent analysis of NHS open data
PharmaInsight

Sodium cromoglicate vs Zafirlukast

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

Zafirlukast was dispensed 3.0× as often as Sodium cromoglicate in May 2026 — 3 items versus 1 in England.

1items

Sodium cromoglicate · May 2026

NHSBSA Prescription Cost Analysis

3items

Zafirlukast · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Sodium cromoglicate versus Zafirlukast: national items dispensed by month

▬ Sodium cromoglicate   ·   ╌ Zafirlukast

0 298.5 597 Jan 2021 Sep 2021 May 2022 Jan 2023 Sep 2023 Sep 2024 May 2026 Zafirlukast 1 Jan 2021: 518 Feb 2021: 375 Mar 2021: 342 Apr 2021: 321 May 2021: 597 Jun 2021: 507 Jul 2021: 539 Aug 2021: 496 Sep 2021: 501 Oct 2021: 492 Nov 2021: 498 Dec 2021: 421 Jan 2022: 247 Feb 2022: 171 Mar 2022: 165 Apr 2022: 105 May 2022: 90 Jun 2022: 83 Jul 2022: 37 Aug 2022: 36 Sep 2022: 36 Oct 2022: 16 Nov 2022: 17 Dec 2022: 11 Jan 2023: 15 Feb 2023: 7 Mar 2023: 10 Apr 2023: 13 May 2023: 15 Jun 2023: 10 Jul 2023: 9 Aug 2023: 8 Sep 2023: 7 Oct 2023: 9 Nov 2023: 4 Jan 2024: 5 Feb 2024: 8 May 2024: 3 Jun 2024: 5 Aug 2024: 3 Sep 2024: 1 Nov 2024: 1 Feb 2025: 3 Mar 2025: 1 May 2025: 1 Oct 2025: 1 Jan 2026: 1 Mar 2026: 1 Apr 2026: 2 May 2026: 1

Source: NHSBSA Prescription Cost Analysis, to May 2026

Sodium cromoglicate versus Zafirlukast, May 2026
Measure Sodium cromoglicate Zafirlukast
Items, May 2026 1 3
Items, last 12 months 21 22
Net ingredient cost, May 2026 £5 £1,230

See the full profile for Sodium cromoglicate or Zafirlukast.