Infections

Expert reports about Infections


INFORMATION FOR WOMEN HAVE COLD SORES DURING PREGNANCY OR BREASTFEEDING

 

What is a cold sore?

Also known as herpes labialis, a cold sore is caused by the virus herpes simplex 1 (HSV-1), and less frequently by the herpes simplex 2 (HSV-2), and it appears in the mouth, mostly on the lips. During pregnancy, the HSV infection can be primary, meaning that you acquired the virus recently, or it can be a recurrent outbreak of an infection that you have had for a long time and which your immune system has been keeping under control.


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