Valacyclovir is a prescription drug available in oral tablet form. It is the generic version of the brand-name drug Valtrex. Doctors prescribe valacyclovir to treat infections caused by the herpes ...

Cold sores are painful and oozing, and they always seem to appear before that wedding or class reunion. Also called fever blisters, the small, fluid-filled lesions typically form near or on your lips ...

Valtrex (valacyclovir hydrochloride) is a prescription antiviral drug that can shorten the duration of cold sores, genital herpes, and shingles. It may cause mild side effects in some people. Valtrex ...