cold sores
"About a year ago I had gone to my family doctor for another matter while I had this blistery mess on my lower lip. When we finished talking about the matter at hand she offered me a prescription to treat the next cold sore.

July 27, 2016 I woke up with tingling and a blister starting to form. Right away I took one dose of my prescribed Valacyclovir and repeated the dose at bed time.  This morning, July 28, my cold sore is almost gone. It's about 90% healed. I'll be going back to the pharmacy for a refill so I can have it right at hand in the event of another.   One satisfied person here!"