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Treatment


The most common treatment for actinic keratosis (AK) is cryosurgery. In this procedure, a very cold substance, liquid nitrogen, is applied locally to the lesion. A scab or blister forms, which eventually falls off, leaving the area smooth. In dark-skinned people, care must be taken as this procedure can result in a white scar.



Another common treatment is the application of topical 5-fluorouracil (5-FU). This cream is applied twice daily to affected areas until any pr...Read the full article