What cause cold sores?

What the best way to bring back rid of them? What causes them?What cause cold sores?
HERPES SIMPLEX 2
http://www.nlm.nih.gov/medlineplus/ency/...
This website should serve you
They're caused by a journal of Herpes called Herpes Simplex 2. You can use Abreva over the counter but i recommend calling your doctor for Valtrex at the first symptom of the tingling on your lip.
They are cause by the Herpes Simplex virus. Unfortunately, there is no course to get rid of the virus, but you can draw from rid of the sores faster with several over the counter and prescription drugs. You should ask your doctor for specific recomendations.
Cold sores are cause by a virus called herpes simplex. (Herpes simplex virus also cause genital herpes. If i be you, i wouldn't worry just about it. :)
Sometimes cold sores can come from the following:
bright sunshine
wind
other smash up to the skin
emotional stress
physical stress, such as have another illness
most important dentistry, such as having a tooth out
menstruation.
To return with rid rid of the cold sore look at the info in the sites below. Hope this help you. :)