Why Is Herpes Labialis Called Cold Sores?

WHY IS IT CALLED A “COLD SORE”? Because it comes out when you have a “cold”. The same reason some people call it a “fever blister”. The HSV virus, which is always present in your body, tends to overcome the immune system and erupt as blisters that turn into “sores” when your immune defenses are run down.

Why do people call cold sores herpes?

Cold sores are sometimes called oral herpes because they are caused by the herpes simplex virus type 1 (HSV-1). This virus is very common and highly contagious. It spreads through saliva or close contact — often through kissing or by sharing utensils, straws, towels or lip balm with someone who has a cold sore.

Is herpes labialis a cold sore?

Herpes labialis, commonly known as cold sores, is a type of infection by the herpes simplex virus that affects primarily the lip. Symptoms typically include a burning pain followed by small blisters or sores. The first attack may also be accompanied by fever, sore throat, and enlarged lymph nodes.