Topic Tag: isotretinoin 40 mg Search for: Home › Forums › Topic Tag: isotretinoin 40 mg Viewing topic 1 (of 1 total) Topic Voices Posts Last Post How long does 40mg isotretinoin take to work? Started by: davidbrown in: Male Health 1 1 2 years, 2 months ago davidbrown Viewing topic 1 (of 1 total)