Yes: Acyclovir and related drugs such as valAcyclovir can prevent the recurrence of cold sores due to herpes simplex virus. They must be taken every day.
Answered 6/24/2014
5.7k views
Antivirals: Acyclovir (zovirax) and valAcyclovir (valtrex) will both d the job. I prefer Acyclovir for my patients since i've had good success with it and it's significantly cheaper than valacyclovir.
Answered 6/24/2014
5.6k views
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