Thanks for posting your query at DoctorSpring.com
I have gone through your question in detail and I can understand what you are going through.
Celexa and Nortriptyline are good antidepressants but have a risk of switching if you have a tendency of being bipolar and same it seems has happened here. It would be advisable to meet your doctor and get him infomred. You need to come off both these antidepressant and start with a mood stabilizer like divalproex sodium or lithium. This will take care of your hypomania and further depression as well.
You may continue taking ambien at present as it will not interfere with your mood.
If you have any further query, do let me know.
Dr. Srikanth Reddy MD
Patient replied :
I'm in the middle of switching doctors and my next appointment is in 2 weeks.
Thank you for your follow up.
Kindly discuss about using Lithium or Divalproex as I mentioned once you meet your doctor.
You can update me after that.
This consult will be open.