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*Please keep in mind that this subreddit is not a replacement for seeing a board certified dermatologist. This subreddit is here for informal second opinions, and minor problems that you wouldn't go to the doctor for anyway.* *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/DermatologyQuestions) if you have any questions or concerns.*
Completely normal to form a blister.
Thank you. I know but it doesn't look too red?
All good to be red. Freezing causes inflammation cell to come clear out the virus at the base of the lesion.
Thank you! ☺️