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Independent analysis of NHS open data
PharmaInsight

Ferrous sulfate vs Romiplostim

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

Ferrous sulfate was dispensed 168,243.5× as often as Romiplostim in May 2026 — 336,487 items versus 2 in England.

336,487items

Ferrous sulfate · May 2026

NHSBSA Prescription Cost Analysis

2items

Romiplostim · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Ferrous sulfate versus Romiplostim: national items dispensed by month

▬ Ferrous sulfate   ·   ╌ Romiplostim

0 176k 351k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 May 2026 Romiplostim 336,487 Jan 2021: 235k Feb 2021: 221k Mar 2021: 249k Apr 2021: 242k May 2021: 234k Jun 2021: 253k Jul 2021: 255k Aug 2021: 244k Sep 2021: 251k Oct 2021: 241k Nov 2021: 252k Dec 2021: 261k Jan 2022: 250k Feb 2022: 238k Mar 2022: 272k Apr 2022: 254k May 2022: 271k Jun 2022: 266k Jul 2022: 268k Aug 2022: 276k Sep 2022: 273k Oct 2022: 270k Nov 2022: 276k Dec 2022: 269k Jan 2023: 272k Feb 2023: 254k Mar 2023: 291k Apr 2023: 259k May 2023: 282k Jun 2023: 289k Jul 2023: 284k Aug 2023: 289k Sep 2023: 283k Oct 2023: 287k Nov 2023: 290k Dec 2023: 282k Jan 2024: 294k Feb 2024: 281k Mar 2024: 289k Apr 2024: 299k May 2024: 311k Jun 2024: 295k Jul 2024: 322k Aug 2024: 308k Sep 2024: 303k Oct 2024: 322k Nov 2024: 308k Dec 2024: 311k Jan 2025: 321k Feb 2025: 292k Mar 2025: 314k Apr 2025: 316k May 2025: 330k Jun 2025: 327k Jul 2025: 351k Aug 2025: 319k Sep 2025: 338k Oct 2025: 347k Nov 2025: 322k Dec 2025: 348k Jan 2026: 340k Feb 2026: 317k Mar 2026: 350k Apr 2026: 342k May 2026: 336k

Source: NHSBSA Prescription Cost Analysis, to May 2026

Ferrous sulfate versus Romiplostim, May 2026
Measure Ferrous sulfate Romiplostim
Items, May 2026 336,487 2
Items, last 12 months 4,037,407 6
Net ingredient cost, May 2026 £545,211 £964

See the full profile for Ferrous sulfate or Romiplostim.