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Oseltamivir phosphate vs Nirmatrelvir with Ritonavir

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

Oseltamivir phosphate was dispensed 10.6× as often as Nirmatrelvir with Ritonavir in March 2026 — 867 items versus 82 in England.

867items

Oseltamivir phosphate · March 2026

NHSBSA Prescription Cost Analysis

82items

Nirmatrelvir with Ritonavir · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Oseltamivir phosphate versus Nirmatrelvir with Ritonavir: national items dispensed by month

▬ Oseltamivir phosphate   ·   ╌ Nirmatrelvir with Ritonavir

Nirmatrelvir wit… 867

Source: NHSBSA Prescription Cost Analysis, to March 2026

Oseltamivir phosphate versus Nirmatrelvir with Ritonavir, March 2026
Measure Oseltamivir phosphate Nirmatrelvir with Ritonavir
Items, March 2026 867 82
Items, last 12 months 38,013 3,902
Net ingredient cost, March 2026 £13,394 £67,978

See the full profile for Oseltamivir phosphate or Nirmatrelvir with Ritonavir.