How to Prevent Cold Sores?

Cold sores or fever blisters are caused by HSV type-1 (herpes simplex virus), although sometimes may be caused by herpes simplex virus type-2. It is important to prevent spread of herpes simplex virus type-1 infection, which can cause cold sores. As fever blisters are contagious, although it is not possible to prevent cold sores completely, but some measures should be taken to prevent spread of HSV type-1 as much as possible. The preventive measures are required from both ends, from the patient’s end who is suffering from cold sores as well as from the other individuals end, so that infection does not spread to the non infected persons.

Most commonly cold sores are spread from one person to another by direct skin to skin contact with persons suffering from cold sores, especially if the cold sores ooze out liquid which come in contact with non infected person. If you are suffering from cold sores, try to guard yourself and do not come in direct contact with non infected person.

Measures to prevent spread of herpes simplex virus type-1 (the causative agent of cold sores) include the following:

  • Avoid direct skin-to-skin contact including kissing. Herpes simplex virus type-1 can easily spread from moist skin secretion from blisters if you come in direct contact.
  • Herpes simplex virus type-1 can also spread through vehicles (known as fomites) such as utensils, towels, lip balm and many other items. Avoid sharing them with patients with cold sores.
  • If you have a cold sore or you are going to touch another person with cold sore, wash your hands properly with soap and water.
  • If you have history of repeated cold sores, avoid or prevent conditions that may trigger cold sores such as stressful situation, catching cold/flu, staying under direct sun for long time without use of sunscreen. Use sunscreen/sunblock to your lips and face before prolonged exposure to the sun, especially during winter. Try to get sufficient sleep regularly.
  • If you have cold sores, do not touch other body parts such as eyes, genitals etc. as infection can spread to these areas easily.

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