A member asked:

My upper lip is red and swollen on the inside. it feels uncomfortable. benadryl (diphenhydramine) hasnt helped. what could it be?

A doctor has provided 1 answer
Dr. John Chiu answered

See dentist: Check with your dentist to find out what may be the problem. Since it does not itch, one would not expect antihistamine to be helpful. Topical steroid may help but you still need to find out the cause.

Answered 4/27/2015

4.4k views

Thank

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