I can relate. I have had the pure high turn to pure hell and been diagnosed with dysphoric mania. It is a truly awful state to be in - irritable, agitated, mind racing and pacing and pacing my flat. I believe dysphoric mania is a type of mixed episode (there is also agitated depression). Did your psych recommend any new treatment options to get a handle on it. I wish you all the best, hang in there!