ForumsAcne and its treatm...Prescription acne m...How Much Cumulative... Notifications Clear all How Much Cumulative Dose Did You Guys Take? Frankieyeung 825 MemberMember0(@frankieyeung825) Posted : 04/24/2014 1:35 am Just curiousI ve been taking it 20mg a day for 8 months and now my cumulative dose is about 75mg/kgis it enough? Quote Kim 28 MemberMember54(@kim28) Posted : 04/24/2014 4:50 pm The recommended cumulative dose is 120 - 150 mg/kilo. Quote Late Actor MemberMember0(@lateactor) Posted : 05/03/2014 7:50 am From what I've heard from my dermtologist, 120 mg is the target when dosing heavily (A daily dose of >=1 mg/kg) and 150 mg is recommended when taking less. Quote