What are cold sores caused by?

Answer 1

Cold sores or fever blisters are normally caused by the herpes simplex virus. This virus often takes place around the lips and mouth area. They appear to be red blisters which are often painful and annoying.

It's pretty much kinda like herpes. You can get it from someone who has it. Both herpes simplex virus 1 (HSV-1) and herpes simplex virus 2 (HSV-2) cause herpes complex.

Answer 2

Cold Sores are normally caused by the Herpes simplex virus type 1 (HSV-1) through close contact with someone who has a cold sore. Sometimes cold sores are caused by herpes virus type 2 (HSV-2) as a result of having oral sex with someone who has genital herpes.

You can't catch cold sores from cups, flannels or towels.

Common triggers include:

• Illnesses, such as colds and flu
• Menstrual periods
• Emotional upset
• Fatigue
• Bright sunlight
• Cold winds

Answer 3

Herpes simplex 1 is the cause of coldsores

Answer 4

The herpes virus causes fever blisters and cold sores.

Answer 5

Cold Sores are usually caused by Herpes Simplex 1 virus, but they can be caused by other things such as food or the sun.

Answer 6

Cold sores are caused by the cold sore virus which is also known as Herpes Simplex Virus 1 and Herpes Labialis. Cold sores appear small, fluid filled blisters in red.

Answer 7

The herpes virus causes cold sores on the lips.

Answer 8

Cold sores are caused by the herpes virus (HSV-Type 1).