1 g of cream contains 50 mg of acyclovir. Action The drug, an antiviral, active, among others, against herpes virus. After entering the virus-infected cells, acyclovir is converted to its active form - triphosphate, which, after incorporation into DNA inhibits its further development. Acyclovir is effective early in the disease.Indications herpes labialis herpes and changes on the face caused by herpes simplex virus (herpes simplex).Contraindications hypersensitivity to acyclovir or other components of the formulation. Do not use on the oral mucosa, and conjunctiva. Pregnant used only if the expected benefits outweigh the potential risk to the fetus. Gently used during breastfeeding.Dosage thin layer of cream is applied to the lesion and surrounding skin 5 times a day (every 4 hours) for 5 days, and in case of difficult healing changes for 10 days.