Ask Dr. Jen Tan

Cold sore virus

Cold sores are caused by a virus known as Herpes Simplex Virus-1

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  • Kirsty's photo avatar
    Kirsty — 26.02.2018 09:50
    Why is a cold sore so itchy?

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    • Jen Tan's photo avatar
      Jen Tan — 26.02.2018 13:01
      Hello Kirsty. The inflammatory process resulting from cold sores releases chemicals and amongst these are histamines which contribute to the main cause of itching.

      Reply

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