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A member asked:
Are cold sores only contagious if they have opened and are leaking fluid?
A doctor has provided 1 answer
NO, they are : Contagious as long as there is a lesion. They are most contagious when split open & oozing. They are not contagious once the skin has fully healed.
Answered 10/4/2016
4.9k views
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Related Questions
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How long are cold sores contagious after taking valtrex (valacyclovir)?
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Am i contagious? Slept with window open and warm hoody on. Woke up and mucus from natural causes gave me what is called a cold? Contagious or no?
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Docs can you explain, is the saliva of a person who gets cold sores contagious?
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