Zanamivir vs Oseltamivir phosphate
National NHS prescribing compared (Prescription Cost Analysis)
Oseltamivir phosphate was dispensed 433.5× as often as Zanamivir in March 2026 — 867 items versus 2 in England.
2items
Zanamivir · March 2026
NHSBSA Prescription Cost Analysis
867items
Oseltamivir phosphate · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Zanamivir versus Oseltamivir phosphate: national items dispensed by month
▬ Zanamivir · ╌ Oseltamivir phosphate
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Zanamivir | Oseltamivir phosphate |
|---|---|---|
| Items, March 2026 | 2 | 867 |
| Items, last 12 months | 120 | 38,013 |
| Net ingredient cost, March 2026 | £33 | £13,394 |
See the full profile for Zanamivir or Oseltamivir phosphate.