Valtrex is a medication that is available by prescription only. Some of the viruses that Valtrex is most often used to treat include shingles, cost of cheap valtrex without insurance common cold sores and genital herpes. If you suffer from one cost of cheap valtrex without insurance these herpes viruses you can get relief by using Valtrex medications. Relief from the herpes virus is found with Valtrex. Treat your herpes virus with Valtrex to make your outbreaks less noticeable and more tolerable for you.