*A chelating agent (e.g., dimercaprol) may be helpful to correct acute arsenic exposure, but it has minimal or no effect for patients who had arsenic exposure a long time ago. *Oral retinoids (e.g., acitretin, etretinate) may be helpful in treating arsenic-induced cutaneous lesions and in reducing the risk of cutaneous and internal malignancy formation, especially in Bowman's disease. *Topical 5-fluorouracil cream or 5% imiquimod cream may be useful in treating<unk>  and Bowen's disease.
Arsenical keratosis
Reactional keratosis
Hydrocarbon keratosis
PUVA keratosis
Smokeless tobacco keratosis
Actinic keratosis
Waxy keratosis of childhood
Seborrheic keratosis