Medical Definition of Chapped lips
Chapped lips: Dry, cracked or sore lips, usually in cold, windy, dry weather and less often in warm weather. Sun exposure can contribute to chapping of the lips. Licking or biting the lips is often a contributing factor.
The lips are more sensitive to chapping than the skin. Unlike the skin, the lips do not produce oils to protect them against drying.
To treat chapped lips, use a good lip emollient, ideally one containing a sunscreen. If you don't have a lip emollient use lipstick. And, if you don't have a lip emollient or lipstick around, rub your finger over the side of your nose and then wipe the oil on your lips. In winter and at elevated altitudes, drink lots of fluid.
Some steps to prevent chapped lips are to:
The word "chapped" meaning "fissured or cracked" dates to the 14th century. "Chapped" can also apply to the parched ground in summer and hands in winter.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/9/2016
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