1 doctor weighed in:

Are cold sores only contagious if they have opened and are leaking fluid?

1 doctor weighed in
Dr. Heidi Fowler
Psychiatry

In brief: 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.

In brief: 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.
Dr. Heidi Fowler
Dr. Heidi Fowler
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