Aciclovir vs Zanamivir
National NHS prescribing compared (Prescription Cost Analysis)
Aciclovir was dispensed 55,625.5× as often as Zanamivir in March 2026 — 111,251 items versus 2 in England.
111,251items
Aciclovir · March 2026
NHSBSA Prescription Cost Analysis
2items
Zanamivir · March 2026
NHSBSA Prescription Cost Analysis
Figure 1. Aciclovir versus Zanamivir: national items dispensed by month
▬ Aciclovir · ╌ Zanamivir
Source: NHSBSA Prescription Cost Analysis, to March 2026
| Measure | Aciclovir | Zanamivir |
|---|---|---|
| Items, March 2026 | 111,251 | 2 |
| Items, last 12 months | 1,263,569 | 130 |
| Net ingredient cost, March 2026 | £295,632 | £33 |