Normal
I have no experience with Lithium. However, I do know that any medication change can cause instability in the short term until a settling out period occurs. I also know that difficult children, no matter what their age or medications, can have meltdowns when they get little sleep. So I guess I would advise a wait-and-see preiod before making a decision about medications. Except in extreme cases, there is never anything wrong with waiting a bit until you know what's really going on. You can also check in the psychiatrist by phone to see what he thinks.