More than half of people in the U.S. have been infected with the virus that causes cold sores.Between 20 and 40% of them will experience the joy that is a cold sore.

Most of the time, cold sores go away on their own within a couple of weeks. If your cold sore lingers beyond 2 weeks, it might be time to check with your doctor.

Cold sores are small, fluid-filled blisters that appear on the face. They occur due to the herpes simplex virus type 1 (HSV-1). It is not possible to get rid of a cold sore quickly, but they tend ...