A member asked:

Swollen red patches underneath the skin of my top lip & red raised patches. lip is inflammed, red & buning on edges of top lip. no sores or pus. help!

A doctor has provided 1 answer
Dr. John Chiu answered

Irritant: This appears to be an irritant reaction. Check on the products you have been using on your face or even oral products. Are you using teeth-whitening tooth paste? How about mouth-wash introduced prior to onset of the lip problem?

Answered 12/16/2019

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