How long does a cold sore last?
Cold sores, or fever blisters, have a usual duration of 7-10 days. Herpes simplex virus type 1 usually causes cold sores. Thanks!
Answered -
Older Answers
It often takes seven to 10 days before cold sores completely disappear and the skin returns to normal. ChaCha today!
Answered by Gail G. -
Cold sores usually run their course in 8 to 12 days . ChaCha. So easy a caveman could do it.
Answered by Christopher S. -
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