How often do I have to take valacyclovir? November 04, 2019 22:17 To treat a cold sore outbreak, you can take 2000 mg (2 tablets) valacyclovir twice a day for one day. Related articles How effective is valacyclovir? What cold sore treatment does Alpha Medical have? What do I do if I have a complaint about my medical care? How does valacyclovir work? How long does it take to get valacyclovir?
