<prompt> Drug used in actinic keratosis is:MethotrexateTopical 5 FUTopical mechlorethamineTopical steroids  <response>: The US Food and Drug Administration FDA has approved five medications for the treatment of actinic keratoses. These are topical 5-fluorouracil 5-FU, 5 and 3.75 imiquimod cream, topical diclofenac gel, ingenol mebutate, and photodynamic therapy with topical delta-aminolevulinic acid ESSENTIALS OF MEDICAL PHARMACOLOGY SIXTH EDITION -KD TRIPATHI Page:824 