A member asked:

White-ish looking bump on outside of bottom lip, i am always catching myself biting my lips constantly. it may have something to do with that?

3 doctors weighed in across 2 answers

Infection: Bite opens the skin lowering the defence to infection. Consider seeking counseling/ behavior intervention techniques to decrease the habit

Answered 1/15/2018

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OCD: Compulsive stimulation of the skin causes callouses. There are various therapies which will help you stop.

Answered 11/18/2014

3.5k views

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