Do you need a prescription for Zovirax cream?

I live in Canada, and i get really bad cold sores, recently I've had three cold sores, when the first one was almost gone another appeared besides it and same with that one. I have a small amount of Zovirax cream left from the first purchase my mother made ages ago, and I need to get some more, does Zovirax... show more I live in Canada, and i get really bad cold sores, recently I've had three cold sores, when the first one was almost gone another appeared besides it and same with that one. I have a small amount of Zovirax cream left from the first purchase my mother made ages ago, and I need to get some more, does Zovirax require a prescription for HSV1? Or is it possible to get the cream from a pharmacy of some sort without a prescription?
Thank you in advance
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