Do I have mood disorder????

I was diagnosed with PTSD when I was 9 years old. Today, doctors have repealed that diagnosis and are working to help me identify with a new one. My mood is what I believe has been affecting me the most. One minute I'm insanely happy, next minute I begin to cry for no apparent reason. Next minute I become angry and start throwing things around almost to to the point of becoming violent. I have come to isolate from others. It becomes to the point where I just don't want to leave my house. I told my doctors to get me off my medication until they could figure out a proper diagnosis. The pills weren't working. I have tried over 20 different medications in the past 10 years with no change in my emotions. I feel like my mental health is deteriorating day by day and I cannot do anything about it. I just pray that if they find a proper diagnosis, I would get the proper help. What could I be suffering from? Could I be Bipolar, or have intense depression or is it something else?