Damaged Skin After Accutane

I took accutane for a week(0.5mg/kg), and now 2 months after my skin is really bad. It is healing very, very slowly i have red marks for 2 months now, and every pimple is leavig a scar. Oil is back to normal, and my skin is very oily again, and i can't imagine why skin is not healing properly. Ihad develope keloid, from accident that was prior those 9 days of acc. and I never had that type of scarring. Is my skin ever going to heal normally again?Prior acc. I never got acne scarring and red mark

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