My grandson, who had anxiety syndrome as well as Asperger's syndrome was prescribed medication when he was a pre-teen to help him with his anxiety. It didn't seem to help much, and he would fly into the most awful rages, which he hadn't done before. It was also discovered that it was delaying him going through puberty, his mother hadn't been informed this might happen. She immediately took him off it, and low and behold, not only did he go through puberty, his anxiety and rages were no longer a problem.