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Where can I find Zovirax?
Click here to find out where it's available in your area.
![Zovirax Video about cold sore cream in action Zovirax Video about cold sore cream in action](https://i-cf65.ch-static.com/content/dam/cf-consumer-healthcare/zovirax/en_us/products/zovirax-cream-at-work-new.png?auto=format)
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How to use
Apply Zovirax Duo at the first
tingle to help prevent your
cold sore blister from developing.
![Zovirax Video about cold sore cream in action Zovirax Video about cold sore cream in action](https://i-cf65.ch-static.com/content/dam/cf-consumer-healthcare/zovirax/en_us/products/zovirax-daily-defence-faq-mob.jpg?auto=format)
Reference:
1. Spruance SL, Stewart JC, Freeman DJ et al. Early application of topical idoxuridine in dimethyl sulfoxide shortens the course of herpes simplex labialis: a multicenter placebo-controlled trial. J Infect Dis. 1990; 161 (2 ): 191-7.