I am not sure why Pramipexole was started for you and why Polypharmacy was opted for but I would suggest you to not stop taking any medication suddenly lest you should experience a "discontinuation syndrome".
Next Steps
Please consult your Psychiatrist, or any Psychiatrist for that matter and have yourself evaluated thoroughly. In case you have combined prescriptions from more than one Psychiatrist, hence the apparent Polypharmacy...seek the advice of the Psychiatrist as to which all drugs you can discontinue, depending on your symptoms.