I can relate. I struggle with moderate to severe GAD.
In the past I was misdiagnosed with bipolar disorder, because an antidepressant made me acutely manic. My periods of severe anxiety also made it appear as if I had bipolar. I ended up taking a mood stabilizer for 18 months. I'm not sure how effective it really was. The two psychiatrists treating me thought it was helping me. They obviously observed the effects of the antidepressant and my anxiety disorder (which they failed to notice at the time).
Some days I have symptoms similar to yours. My triggers are stress and sleep deprivation. Usually I just get very irritable. Sometimes I get periods of severe agitation that requires medication. When I experience this I cannot focus on anything, and I cannot stop talking and moving. This can definitely resemble the manic phase of bipolar disorder, but it will only last until the stressful event passes, in usually about a week. I don't get euphoric or do reckless things during those times. However I require less sleep than normal and become more motivated to do things. So it can definitely be hard to differentiate between the two disorders.
I don't think I have bipolar disorder since I'm fairly stable. Plus I have gone years without taking medication and have been fine. I also never developed mania spontaneously. It has always been triggered by antidepressants.
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Dx: Didgee Disorder
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