My son is 15 and is autistic. He has a history of severe aggression and rage as well as seizures. He has been on a variety of medications over the past two years to try and control his behavior. Recently he developed facial tics that, after research, look like tardive dyskinesia. Naturally this has me VERY worried, especially about the permanence of this problem. The only thing I can think of that might have caused this was Seroquel. He took it at bed time for about two years. I am wondering if this is a plausible cause. He was also on Risperdal and Depakote and Trileptal and Terazadone and Lamictal, of course not all at the same time. I am sure I spelled all these meds wrong. We are having trouble finding any professional who will take an active interest in the urgency of our problem with both the aggression and the onset of these tic behaviors. We really need some help.