Cold sores are caused by the herpes simplex virus, which is believed to lie dormant iÂn certain nerve cells of the body until it is activated by stress, anxiety, a cold, or excessive exposure to the sun. Scroll through these photos to learn how to get rid of cold sores.

Four out of five people get cold sores, meaning they have the herpes simplex virus HSV-1. The virus is spread through close personal contact, kissing being a common example.

Cold sores are little -- or not so little -- blisters that bubble up around the mouth. They often appear when you’re stressed out or your immune system is weakened. There’s no cure for cold sores.

Ice water can help ease symptoms. Just wrap some ice in a towel -- or even simply soak the towel in chilled water -- and hold it to the sore to get a little relief.

There are some topical treatments, like Abreva, that can help with the care of cold sores. They’re not an eraser that’ll just wipe them off your face, but they may decrease outbreaks and reduce how long outbreaks last.

Lemons could help clear up your cold sores faster. Some lip balms contain 1 percent lemon extract, which seems to help not only decrease healing time, but stave off frequent reoccurrences, too. For more information, see 7 Ways to Get Rid of Cold Sores.