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A member asked:
Hi doctor, i have this blister on the edge of my mouth. i am having this for the past 4 days. can you please let me know what it could be..
A doctor has provided 1 answer
Mouth blister: A picture may be way more helpful than guessing without seeing it. Herpes labialis or commonly known as cold sore is a plausible explanation.
Answered 4/8/2016
4.5k views
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