Keratoses: Apply twice daily until erosion occurs (usually 2–4 wks). Basal cell carcinoma (5% only): Apply twice daily, usually for 3–6 weeks (obliteration may take 10–12 weeks). Do not apply into ...
Question: I just started Efudex for actinic keratoses. The doctor said it was because I spent years in the sun. What can I expect? -- L.S., Sacramento, Calif. Answer: Efudex is applied to the skin and ...