Fever blisters and canker sores?

Your issues are shared by millions of people. Unfortunately, the virus is incurable AND contagious, as you are aware. Abreva is the the OTC treatment of choice. As far as ual activity as it relates to fever blisters, I recommend you visit the very informative website WebMD.com. Enter the words "cold soars" in the search bar and you will receive accurate, up-to-date information.