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  2. Cold sore - Wikipedia

    en.wikipedia.org/wiki/Cold_sore

    When reactivation occurs, the virus travels down the nerves to the skin where it may cause blisters (cold sores) around the lips or mouth area. [25] In case of Herpes zoster the nose can be affected. [26] Cold sore outbreaks may be influenced by stress, menstruation, sunlight, [27] sunburn, fever, dehydration, or local skin trauma. [28]

  3. What Is the Difference Between a Fever Blister and a Cold Sore?

    www.aol.com/difference-between-fever-blister...

    If you tend to develop cold sores or fever blisters on your lips, you are not alone. Herpes simplex virus (HSV)-1 affects more than half of all people in the U.S. by the time they reach their 20s.

  4. Herpes - Wikipedia

    en.wikipedia.org/wiki/Herpes

    Some evidence indicates genetics play a role in the frequency of cold sore outbreaks. An area of human chromosome 21 that includes six genes has been linked to frequent oral herpes outbreaks. An immunity to the virus is built over time. Most infected individuals experience fewer outbreaks and outbreak symptoms often become less severe.

  5. Have a Cold Sore? What to Know About Symptoms, Treatments ...

    www.aol.com/cold-sore-know-symptoms-treatments...

    What are cold sores? Cold sores, also known as fever blisters, can appear on your mouth or lip and are usually caused by oral herpes or herpes simplex virus type 1 (HSV-1). “It’s extremely ...

  6. How to Get Rid of That Painful, Annoying Pimple on Your Lip - AOL

    www.aol.com/lifestyle/rid-painful-annoying...

    Pimples are a bacterial infection, while cold sores are a virus, says Dr. Koo. “All lip cold sores are caused by herpes simplex virus—HSV1—and look like a watery blister,” Dr. Koo explains ...

  7. Herpes gladiatorum - Wikipedia

    en.wikipedia.org/wiki/Herpes_gladiatorum

    It is caused by contagious infection with human herpes simplex virus type 1 (HSV-1), [1] which more commonly causes oral herpes (cold sores). Another strain, HSV-2 usually causes genital herpes , although the strains are very similar and either can cause herpes in any location.

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