Major Depressive Disorder misdiagnosed as Attention Deficit Disorder (ADD)?

Question by Ashley230948: Major Depressive Disorder misdiagnosed as Attention Deficit Disorder (ADD)?
I was diagnosed with Attention Deficit Disorder a few years ago and I have been taking Ritalin but I have a friend who is a Psychiatrist and he says I have been exhibiting a lot of the symptoms of Major Depressive Disorder (not just depression...BIG difference). I'm going to school to be a Psychologist, possibly Psychiatrist in the far future so I should be an advocate of getting help and

depression and anxiety scale