Don't apply it inside your nose or mouth. If a small amount gets into your mouth, such as cream that you licked off your lips after application, there is no need to worry.
[header] How to use abreva [title] Use the medication as soon as you start experiencing symptoms. [step] Early signs of a coming cold sore include pain, burning, or feeling the blister emerging. [substeps] Abreva is made for use on your face or around your lips, but you can also use it around your nostrils if your cold sores have extended there.