Originally Posted by ultramarina
Bipolar is supposed to involve highs and lows, right? She doesn't really have highs or any manic episodes or anything. She's not always unhappy but she generally has a short fuse. Again, this has gotten worse lately (everything has). I do wonder about some kind of biological or hormonal change.

Bipolar II is hypomania, not mania. So, if you are irritable, whammo, you have Bipolar II!

The DSM-V is coming in May 2013, which will change stuff.

From Wikipedia:

Hypomania (literally, "below mania") is a mood state characterized by persistent and pervasive elevated (euphoric) or irritable mood, as well as thoughts and behaviors that are consistent with such a mood state.