The primary difference between the two viral types is in where they typically establish latency in the body- their site of preference. Details about the herpes virus and how it causes these lesions. Pictures. Cold sores are also called fever blisters because they appear when your body is under stress when you have a fever, for example. These sores are actually the result of a herpes simplex virus -1 (HSV-1) infection. You But it can’t distinguish cancer from the cells in the mouth, which also divide rapidly.
There is no difference between a cold sore and a fever blister. Both refer to the same type of lesion that appears on the face, mostly around the mouth, as a result of the herpes simplex virus, either type 1 or type 2. It is possible to have the herpes simplex virus and never have an outbreak. What is the Difference Between Cold Sores, Canker Sores, & Chancre? Cold sores, or fever blisters, are caused by a herpes virus. Herpes simplex 1 is the virus that causes cold sores, also known as fever blisters. The two terms are actually definitions of the sores that result from this virus.
What Is The Difference Between A Cold Sore And A Fever Blister?