Is this Schizoaffective Disorder?

This sounds a lot like schizoaffective disorder or schizophrenia. If you want to see a doctor about this, do - in fact, I recommend seeing a doctor about this. The high and elated periods sound like the mania experienced by those suffering from Bipolar I disorder, which can also be related to schizoaffective disorder. You have been experiencing your symptoms for over 2 months, and it has been getting worse, which is also a sign of schizoaffective disorder.