Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

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?

2 Answers

Relevance
Still have questions? Get your answers by asking now.