Zanamivir vs Oseltamivir phosphate
National NHS prescribing compared (Prescription Cost Analysis)
Oseltamivir phosphate was dispensed 336.0× as often as Zanamivir in May 2026 — 336 items versus 1 in England.
1items
Zanamivir · May 2026
NHSBSA Prescription Cost Analysis
336items
Oseltamivir phosphate · May 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 May 2026
| Measure | Zanamivir | Oseltamivir phosphate |
|---|---|---|
| Items, May 2026 | 1 | 336 |
| Items, last 12 months | 46 | 37,292 |
| Net ingredient cost, May 2026 | £16 | £5,074 |
See the full profile for Zanamivir or Oseltamivir phosphate.