Of Zovirax For Does Zovirax Cold Sore Cream Work If You Already Have A Cold Sore When You Apply And Use It?

Does zovirax cold sore cream work if you already have a cold sore when you apply and use it? - of zovirax for

Basically I've had a cold sore for about 2 weeks and can not get rid of!
Today I bought the cream Zovirax cold sore. If I use it, as he said that they work, even if they will have wounds? And also, how long will you go?

Thank you in advance, my friend:)