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cold sores, herpes simplex1, when is it contagious exactly?
I get alot. I treat with lysine 1000 mgs three times a day. My question is at what stage of the sore can it be passed to my sexual partner? via kissing, etc....after it erupts? When tingling first starts? During the entire course of the sore?
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- 8 years ago
Cold sores are contagious from the first tingle until it’s completely healed.
Source(s): http://www.coldsorewar.com/cold-sore-myths/
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