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Independent analysis of NHS open data
PharmaInsight

Chlorphenamine maleate vs Mepolizumab

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

Chlorphenamine maleate was dispensed 67,744.0× as often as Mepolizumab in April 2026 — 67,744 items versus 1 in England.

67,744items

Chlorphenamine maleate · April 2026

NHSBSA Prescription Cost Analysis

1items

Mepolizumab · April 2026

NHSBSA Prescription Cost Analysis

Figure 1. Chlorphenamine maleate versus Mepolizumab: national items dispensed by month

▬ Chlorphenamine maleate   ·   ╌ Mepolizumab

0 48k 95k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 Mepolizumab 67,744 Jan 2021: 64k Feb 2021: 61k Mar 2021: 72k Apr 2021: 76k May 2021: 69k Jun 2021: 95k Jul 2021: 85k Aug 2021: 69k Sep 2021: 74k Oct 2021: 67k Nov 2021: 67k Dec 2021: 67k Jan 2022: 66k Feb 2022: 64k Mar 2022: 76k Apr 2022: 72k May 2022: 80k Jun 2022: 86k Jul 2022: 78k Aug 2022: 70k Sep 2022: 67k Oct 2022: 64k Nov 2022: 67k Dec 2022: 66k Jan 2023: 68k Feb 2023: 64k Mar 2023: 73k Apr 2023: 68k May 2023: 79k Jun 2023: 90k Jul 2023: 72k Aug 2023: 68k Sep 2023: 69k Oct 2023: 65k Nov 2023: 65k Dec 2023: 63k Jan 2024: 68k Feb 2024: 63k Mar 2024: 67k Apr 2024: 73k May 2024: 79k Jun 2024: 78k Jul 2024: 78k Aug 2024: 68k Sep 2024: 65k Oct 2024: 66k Nov 2024: 62k Dec 2024: 61k Jan 2025: 65k Feb 2025: 58k Mar 2025: 66k Apr 2025: 70k May 2025: 74k Jun 2025: 73k Jul 2025: 72k Aug 2025: 60k Sep 2025: 63k Oct 2025: 62k Nov 2025: 57k Dec 2025: 60k Jan 2026: 61k Feb 2026: 56k Mar 2026: 66k Apr 2026: 68k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Chlorphenamine maleate versus Mepolizumab, April 2026
Measure Chlorphenamine maleate Mepolizumab
Items, April 2026 67,744 1
Items, last 12 months 771,246 2
Net ingredient cost, April 2026 £440,052 £3,360

See the full profile for Chlorphenamine maleate or Mepolizumab.