Fenistil Cold Sore Cream

Omega Pharma

Description

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)