Patient : I recently met someone who had what appeared to be a cold sore on her upper lip. To avoid embarrasing her I'd like to know what it is, upon looking at her pictures on facebook it appears she ALWAYS has this sore looking thing on her upper lip. What could this be?
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.