Answer
Zovirax cream (aciclovir) should be applied to lesions or impending lesions as soon as possible, preferably during the early stages (prodrome or erythema), although treatment can also start during the papule or blister stages.
Sources for this answer
- Zovirax CreamGlaxoSmithKline UK · emc · SmPC §4.2 Posology and method of administration · Version 25Document updated
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