Yes.  ADHD and Depression have characteristics similar to Bipolar 2.
  My daughter was initially misdiagnosed in middle school by a pediatric psychiatrist. Her diagnosis was later changed to ADHD and depression. She is now 30, has a job she loves and no longer needs medication for either.
  I too have ADHD and Depression. Once or twice an acquaintance has asked me if I’m bipolar. 
  I am comfortable with my diagnosis but when I hyperfocus or I’m excited about a project or doing something I really enjoy, I feel a bit manic. It makes me understand why there is confusion.

PTSD, PMDD, BPD, mdd, and anxiety is what my original
 diagnosis was

Does anyone else have PMDD, Depression, and ADHD? PMDD and ADHD have characteristics that mimic bipolar disorder. I’ve been misdiagnosed before but sometimes feel like because I have all of them it basically is bipolar. Am I right in thinking that?

Mimic

Yes.  ADHD and Depression have characteristic similar to Bipolar 2.
  My daughter was initial miss diagnosed in middle school by an experienced psychiatrist. Later her diagnosis was corrected. She is now 30, has a job she loves and no longer needs medication.
  I too have ADHD and Depression. Once or twice an acquaintance has asked me if I’m bipolar. 
  I am comfortable with my diagnosis but when I hyperfocus or I’m excited about a project or doing something I enjoy, I feel a bit manic. It makes me understand why there is confusion.