Cold sores hurt and are ugly. This little fluid filled dreadful thing on your lip that burst, blisters, and form a crust is controlling you. To numb the pain hold an ice cube directly on the sore for as long as you can, and then put on a dab of silver first gel jelly. The jelly will help keep bacteria out, and will lessen that tight, skin-splitting sensation that sometimes happens when a blister gets too dry.
