A member asked:

Bottom lip has been swollen for 30 hrs for no reason i'm getting a sinus infection but idk if its related? i do have a knot under skin on chin?

A doctor has provided 1 answer

Lip: The lip usually swells in response to something be it allergic or infection. Sometimes people bite their lip in their sleep for example. You should get it checked out to see what it is.

Answered 1/5/2019

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