ForumsAcne and its treatm...Prescription acne m...Girls: isotrenion a... Notifications Clear all 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