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PharmaInsight

Aciclovir vs Oseltamivir phosphate

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

Aciclovir was dispensed 128.3× as often as Oseltamivir phosphate in March 2026 — 111,251 items versus 867 in England.

111,251items

Aciclovir · March 2026

NHSBSA Prescription Cost Analysis

867items

Oseltamivir phosphate · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Aciclovir versus Oseltamivir phosphate: national items dispensed by month

▬ Aciclovir   ·   ╌ Oseltamivir phosphate

Oseltamivir phos… 111,251

Source: NHSBSA Prescription Cost Analysis, to March 2026

Aciclovir versus Oseltamivir phosphate, March 2026
Measure Aciclovir Oseltamivir phosphate
Items, March 2026 111,251 867
Items, last 12 months 1,264,296 38,013
Net ingredient cost, March 2026 £295,632 £13,394

See the full profile for Aciclovir or Oseltamivir phosphate.