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Cold sores contagious?

Cold sores and mouth herpes on the other hand are caused by the herpes simplex virus and can be very contagious! Any Suggestions here?


  1. Nakita Reply:

    When Is a Cold Sore No Longer Contagious?. Cold sores, or fever blisters, are a common occurrence throughout the United States. According to, Source:

  2. Nellie Reply:

    Jun 20, 2011 Are Cold Sores Contagious? Of course they are, and there are VERY simple steps to keep from spreading or catching

  3. Telma Reply:

    The contagious period for cold sores begins when symptoms first occur. The burning, or tingling feeling happens within a day, or two before the cold sore makes an appearance. This time from varies as it lasts until healing has been complete… Source:

  4. Kylie Reply:

    Cold sores are very very contagious, try never to kiss someone who has one when they have a flare up. People with cold sores who don’t have a cold sore present aren’t contagious. Source:

  5. Velia Reply:

    Cold sores are very contagious. They are their most contagious when they have broken open. The fluids inside can be spread very easily by touch or even sharing eating utensils or drinking glasses. Source:

  6. Blake Reply:

    I know cold sores are contagious. Are fever blisters contagious?

  7. Maragret Reply:

    cold sores are contagious for one week prior to their even showing up and remain contagious for three weeks after they are gone! The virus lives in your nervous system, and when you have an outbreak, its a month long affair! I would suggest that you stay home this time around!

  8. Caitlin Reply:

    Almost everyone gets cold sores, but are they contagious? Dr. Schultz will share whether this is fact or fiction.

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