Cold sores -- or fever blisters -- are an embarrassing part of life for many of us. Misconceptions abound about them, though. Can you separate the facts and fictions?
Most cold sores clear up in about two days.
fact
fiction
almost fact: The range is several days to two weeks.
Correct Answer
Wrong Answer
If you have a cold sore, it'll probably heal itself within two weeks.
If a cold sore blisters and breaks open, it will infect other areas of your face.
fact
fiction
almost fact: If a cold sore blisters and breaks open, it will crust over.
Correct Answer
Wrong Answer
It's actually a sign of healing when a cold sore blister breaks. A clear liquid will leak out, and the blister will crust over and should heal itself within a couple of weeks.