Bipolar disorder, BD, involves manic episodes and depressive episodes.
If someone has a depressive episode, that person may have major depressive disorder, MDD or BD.
If someone has a manic episode, that person may have ___________ or BD.
So, what is the opposite of MDD?
Is there a major mania disorder? I have heard of kleptomania and pyromania which appear to be classified as impulse control disorders but nothing that appears to be analogous to major depressive disorder