General Info:

Used to treat herpes zoster (shingles) and genital herpes. It does not cure herpes infections but decreases pain and itching, helps sores to heal, and prevents new ones from forming.
Valacyclovir is an antiviral drug. It slows the growth and spread of the herpes virus so that the body can fight off the infection. Valacyclovir lessens the symptoms of these infections and shortens the length of time you are sick.
Valacyclovir is used to treat genital herpes, shingles, and cold sores.
Valacyclovir may also be used for purposes other than those listed in this medication guide.