2 doctors weighed in:

Does thumb sucking cause more chapped lips or is it from smoking?

2 doctors weighed in
Dr. Brian Lynch
Family Medicine
1 doctor agrees

In brief: Chapped lips

Both activities probably contributed to chapped lips.
Chapped lips are simply injury to the outer lining or the upper layer of skin. This can be from dehydration or any other kind of injury.

In brief: Chapped lips

Both activities probably contributed to chapped lips.
Chapped lips are simply injury to the outer lining or the upper layer of skin. This can be from dehydration or any other kind of injury.
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