How to know if i have a bipolar disorder?

The best way: Is to speak with a therapist about bipolar and why you are concerned about this diagnosis. You can also read about the disorder and see if you feel it fits you.

Seek an evaluation: In the general population incidence is 1 to 4%. Beyond that, a face to face evaluation is needed. The mood disorder questioner (mqd) is in public domain as a good screen tool and/or conversation starter with a md.