VALCIVIR contains valaciclovir, which belongs to the class of drugs known as antiviral agents. It is used to treat cold sores (small, fluid-filled, painful blisters around the mouth) in adults and children over the age of 12. It can also be used to treat acute and recurrent HSV infections of the eye, skin, and genital herpes in adults, as well as to prevent recurrence or transmission.Disclaimer:For More Information Contact Your Physician