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Oral herpes is the result of a virus, herpes simplex type 1. Even after your first cold sore goes away, the virus remains in your body and can cause an outbreak at any time. However, it is possible to manage the occurrence of additional outbreaks by avoiding activities that can cause a cold sore to develop, such as extraordinary stress and overexposure to the sun.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.