I believe that the exact mechanism of action of accutane is not known. It is a Vitamin A medicine that stops oil production from the acne cysts .
Accutane should never be taken if you may become pregnant or are pregnant. Birth control measures must be strictly followed, whilst on accutane. Accutane carries a high risk of causing serious birth defects. Read the following medpedia article .
http://wiki.medpedia.com/Isotretinoin
If you are concerned about your health, consult your dermatologist, there may be other suitable alternatives.