What's the difference between gad and bipolar 2 disorder?

Different conditions: Gad is an anxiety disorder characterized by excessive worry and associated symptoms such as headache, insomnia, stomach upset, etc... Bipolar disorder type ii is a disorder of mood characterized by episodes of hypomania with elevated mood, excessive energy, reduced need for sleep but preservation of usual daily function. As well as episodes of major depression with sad mood, lack of joy, insomni.