Why Is Felix And Valparaiso Dosage Increased For Treatment Of Bi-polar Disorder?

I am taking Felix s 20 mg with ability 15 Valparaiso X r 500(3 tablets) akedin 10 and half tablet of olzadin 10. This was advised by psychiatrist for bipolar disorder type 2. I am wondering why doctor continues to increase my meds and I have been medicating since March 2012