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PharmaInsight

Valaciclovir vs Zanamivir

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

Valaciclovir was dispensed 3,359.5× as often as Zanamivir in March 2026 — 6,719 items versus 2 in England.

6,719items

Valaciclovir · March 2026

NHSBSA Prescription Cost Analysis

2items

Zanamivir · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Valaciclovir versus Zanamivir: national items dispensed by month

▬ Valaciclovir   ·   ╌ Zanamivir

Zanamivir 6,719

Source: NHSBSA Prescription Cost Analysis, to March 2026

Valaciclovir versus Zanamivir, March 2026
Measure Valaciclovir Zanamivir
Items, March 2026 6,719 2
Items, last 12 months 73,975 120
Net ingredient cost, March 2026 £415,336 £33

See the full profile for Valaciclovir or Zanamivir.