This image displays scaly, dry, cracked lips due to actinic cheilitis. Lips affected by actinic cheilitis can appear scaly or crusty until treated. This image displays thick, scaly skin around the lips, typical of actinic cheilitis, due to sun damage.
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Actinic Cheilitis  Information for adults

Picture of Actinic Cheilitis: This image displays scaly, dry, cracked lips due to actinic cheilitis. Divider line
This image displays scaly, dry, cracked lips due to actinic cheilitis.
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Overview
Actinic cheilitis, sometimes known as "farmer's lip" or "sailor's lip," is a precancerous condition related to cumulative lifetime sun exposure. The lower lip is most often affected. Individuals with actinic cheilitis often complain of persistent dryness and cracking of the lips. They will frequently exhibit other effects of sun-damaged skin, such as precancerous lesions on the skin called actinic keratoses and extensive wrinkling.

A certain type of skin cancer (squamous cell carcinoma) develops in 6–10% of cases of actinic cheilitis.
Who's At Risk
Actinic cheilitis is significantly more common in men, the elderly, and fair-skinned individuals. There is also a strong association with tobacco use.
Signs and Symptoms
Actinic cheilitis is located on the lips, most often the lower lip. Persistent redness, scaliness, and chapping are among the symptoms noted. Erosions and cracks (fissures) may be present as well.
Self-Care Guidelines
Prevention is very important. Wearing barrier clothing (eg, wide-brimmed hats) and sunscreen-containing lip balms can aid in preventing actinic cheilitis.
When to Seek Medical Care
Seek the evaluation of a primary care provider or dermatologist when persistent scaling of the lips is noted. A biopsy of the lip may be needed to rule out squamous cell carcinoma.
Treatments Your Physician May Prescribe
In severe cases without evidence of malignancy, a lip shave procedure (vermilionectomy) may be performed. In less extreme cases, your physician may recommend destruction (ablation) of the damaged cells with a carbon dioxide (CO2) laser.

Alternative treatments include the use of electric current to destroy the precancerous cells (electrodesiccation) and a facial sanding technique (dermabrasion). Topical therapy with a chemotherapeutic agent (fluorouracil) or a topical immunomodulator (imiquimod) may be prescribed.



References

Bolognia, Jean L., ed. Dermatology, pp.1090-1091. New York: Mosby, 2003.

Freedberg, Irwin M., ed. Fitzpatrick's Dermatology in General Medicine. 6th ed, pp. 721-725, 741. New York: McGraw-Hill, 2003.
Last Updated: 22 Dec 2008