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Independent analysis of NHS open data
PharmaInsight

Codeine phosphate vs Sumatriptan succinate/Naproxen sodium

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

Codeine phosphate was dispensed 40,795.8× as often as Sumatriptan succinate/Naproxen sodium in April 2026 — 489,550 items versus 12 in England.

489,550items

Codeine phosphate · April 2026

NHSBSA Prescription Cost Analysis

12items

Sumatriptan succinate/Naproxen sodium · April 2026

NHSBSA Prescription Cost Analysis

Figure 1. Codeine phosphate versus Sumatriptan succinate/Naproxen sodium: national items dispensed by month

▬ Codeine phosphate   ·   ╌ Sumatriptan succinate/Naproxen sodium

0 250k 500k Jan 2021 Oct 2021 Jul 2022 May 2023 Feb 2024 Nov 2024 Apr 2026 Sumatriptan succ… 489,550 Jan 2021: 415k Feb 2021: 389k Mar 2021: 442k Apr 2021: 425k May 2021: 407k Jun 2021: 435k Jul 2021: 431k Aug 2021: 414k Sep 2021: 436k Oct 2021: 417k Nov 2021: 431k Dec 2021: 448k Jan 2022: 426k Feb 2022: 401k Mar 2022: 458k Apr 2022: 422k May 2022: 440k Jun 2022: 429k Jul 2022: 422k Aug 2022: 436k Sep 2022: 438k Oct 2022: 434k Nov 2022: 443k Dec 2022: 438k Jan 2023: 444k Feb 2023: 409k Apr 2023: 417k May 2023: 446k Jun 2023: 457k Jul 2023: 441k Aug 2023: 453k Sep 2023: 443k Oct 2023: 450k Nov 2023: 453k Dec 2023: 446k Jan 2024: 465k Feb 2024: 437k Mar 2024: 444k Apr 2024: 460k May 2024: 471k Jun 2024: 437k Jul 2024: 475k Aug 2024: 459k Sep 2024: 451k Oct 2024: 479k Nov 2024: 453k Dec 2024: 462k Jan 2025: 480k Feb 2025: 429k Mar 2025: 458k Apr 2025: 462k May 2025: 474k Jun 2025: 459k Jul 2025: 487k Aug 2025: 449k Sep 2025: 476k Oct 2025: 490k Nov 2025: 446k Dec 2025: 490k Jan 2026: 480k Feb 2026: 448k Mar 2026: 500k Apr 2026: 490k

Source: NHSBSA Prescription Cost Analysis, to April 2026

Codeine phosphate versus Sumatriptan succinate/Naproxen sodium, April 2026
Measure Codeine phosphate Sumatriptan succinate/Naproxen sodium
Items, April 2026 489,550 12
Items, last 12 months 5,687,503 104
Net ingredient cost, April 2026 £1,312,167 £684

See the full profile for Codeine phosphate or Sumatriptan succinate/Naproxen sodium.