Chelitis: Dry lip or chelitis can be caused by:6 high doses of vitamin a, lithium, chemotherapeutic agents (busulfan and actinomycin), d-penicillamine, isoniazid, phenothiazine, lip licking other possible causes of chapped lips include high fevers as well as environmental conditions, such as cold weather, dehydration, and certain vitamin deficiencies.
Answered 11/11/2015
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