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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 June 2026

Codeine phosphate was dispensed 32,800.5× as often as Sumatriptan succinate/Naproxen sodium in June 2026 — 492,007 items versus 15 in England.

492,007items

Codeine phosphate · June 2026

NHSBSA Prescription Cost Analysis

15items

Sumatriptan succinate/Naproxen sodium · June 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 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Jun 2026 Sumatriptan succ… 492,007 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 Mar 2023: 467k 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 May 2026: 476k Jun 2026: 492k

Source: NHSBSA Prescription Cost Analysis, to June 2026

Codeine phosphate versus Sumatriptan succinate/Naproxen sodium, June 2026
Measure Codeine phosphate Sumatriptan succinate/Naproxen sodium
Items, June 2026 492,007 15
Items, last 12 months 5,722,310 127
Net ingredient cost, June 2026 £1,399,791 £792

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