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Independent analysis of NHS open data
PharmaInsight

Letermovir vs Oseltamivir phosphate

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

Oseltamivir phosphate was dispensed 336.0× as often as Letermovir in May 2026 — 336 items versus 1 in England.

1items

Letermovir · May 2026

NHSBSA Prescription Cost Analysis

336items

Oseltamivir phosphate · May 2026

NHSBSA Prescription Cost Analysis

Figure 1. Letermovir versus Oseltamivir phosphate: national items dispensed by month

▬ Letermovir   ·   ╌ Oseltamivir phosphate

0 8k 15k Jul 2021 Apr 2022 Jan 2023 Sep 2023 Mar 2024 May 2026 Oseltamivir phos… 1 Jul 2021: 1 Aug 2021: 2 Sep 2021: 2 Oct 2021: 1 Apr 2022: 1 Jun 2022: 1 Sep 2022: 1 Oct 2022: 1 Jan 2023: 1 Mar 2023: 1 Jul 2023: 2 Aug 2023: 1 Sep 2023: 1 Oct 2023: 1 Dec 2023: 1 Jan 2024: 2 Mar 2024: 1 Oct 2024: 2 Nov 2024: 1 May 2025: 1 Mar 2026: 1 Apr 2026: 2 May 2026: 1

Source: NHSBSA Prescription Cost Analysis, to May 2026

Letermovir versus Oseltamivir phosphate, May 2026
Measure Letermovir Oseltamivir phosphate
Items, May 2026 1 336
Items, last 12 months 15 37,292
Net ingredient cost, May 2026 £7,446 £5,074

See the full profile for Letermovir or Oseltamivir phosphate.