The best way to reduce your risk of cold sore is to avoid an
infection with herpes simplex virus (HSV). Unfortunately, most
people are infected by the virus when they are children. Once
you have HSV, it cannot be cured. You can lower the risk of
recurrent cold sores by changing some lifestyle activities. Here
are some tips to reduce your risk of getting an HSV infection or
having recurrent outbreaks of cold sores: - Avoid exposure to
the virus that causes cold sores. - Avoid excessive exposure to
the sun. - Reduce physical and emotional stress. - Practice good
hygiene habits. - Get adequate sleep and eat a healthful diet.
HSV can be spread by close contact with someone who has a cold
sore. It can also spread by their sharing personal items such as
towels, razors, or eating utensils. Do not kiss, have close
contact with, or share personal items with someone who has an
active cold sore. This also applies with someone who thinks they
are about to have a cold sore. HSV can also spread to the
genital area by havin