4 months ago
Cold sores or fever blisters (which are actually herpses simplex infections) are viral in origin. The virus lives along your spinal column and is kept in check by your immune system. But at times of stress or trauma (eg. a filler lip augmentation), the virus can overcome your immune system and produce an outbreak. If you have any history of previous HSV outbreaks, make sure your provider knows about it so that appropriate anti-viral therapy can be initiated.
I hope that helps!
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