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Patient's Guide to Cold Sores

The Cold Sores .CA web site will help you understand the basics of cold sores, how it is diagnosed, the role of cold sores and how it relates to herpes, and which drugs are effective in treating them.

Cold Sores Content

Cold Sores - The Basics

Treatment and Medical Options

HSV-1 Infections


Cold Sore Articles

  • The Facts About Cold Sores
    Cold sores are caused by the herpes simplex virus. There are two types of this virus and cold sores are usually caused by type 1 (known as HSV-1). The other type of herpes simplex virus, HSV-2, usually causes genital herpes...

  • Cold Sores - How to Prevent and Treat Them
    An estimated 1 in 5 Canadians is affected by cold sores each year, and on average people experience 2 to 3 outbreaks per year.