For
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The essential guide to product selection
The essential guide to product selection
Fenistil contains penciclovir, which has demonstrable in vivo and in vitro activity against herpes simplex viruses (types 1 and 2) and varicella zoster virus. In virus-infected cells penciclovir is rapidly and efficiently converted into a triphosphate (mediated via virus-induced thymidine kinase)
Contains aciclovir, which is an antiviral agent that is highly active in vitro against herpes simplex virus (HSV) types I and II and varicella zoster virus (including initial and recurrent genital herpes and herpes labialis)