Zovirax Duo contains two active substances: acyclovir and hydrocortisone. Acyclovir is antiviral and helps fight the virus that causes herpes. Hydrocortisone is a mild steroid that reduces inflammation associated with herpes. Zovirax Duo can be used in adults and adolescents from the age of 12 years.

Zymafluor 0.25 mg is used to prevent tooth decay.