ForumsArchive of old foru...Acne and its treatm...Prescription acne m...Girls: isotrenion a... Notifications Clear all Unless you have severe, widespread, and scarring acne, The Regimen is normally my suggestion for the most effective acne treatment.My suggested acne treatment Learn The Regimen → Learn The Regimen → Girls: isotrenion and periods Female On Accutane MemberMember1(@femaleonaccutane) Posted : 03/08/2016 12:37 am Has anyone experienced a missed period from being on isotrenion if so when did it resume? Quotelianyewest MemberMember0(@lianyewest) Posted : 03/08/2016 10:00 am Hi! I've never experienced a full out missed period but I have experienced very late periods. A couple of days late. 🙂 Quote Valerie 1987 MemberMember3(@valerie1987) Posted : 03/09/2016 11:27 pm It made my period super irregular. I got my period the day after I started it, then the next month it was 2 weeks late. Quote