on cymbalta and feeling wierd....

i have been on xanax since feb 7 08 and 1mg 3 times a day on april 23 dr had me taper to 2 mg 2 times a day and go on 0.5 mg klonopin 3 times a day and  taper of the xanax on may 8th he had me start 30 mg cymbalta an ddown to 1 mg xanax for 1 week and stop the xanx...........the cymbalta gives me wierd head aches or feelings seems like my blood pressure goes down  i cut to the 1 mg  a day of xanax and the 14 should have been my last day but i felt like i was having withdrawals ..........could have been the cymalta or mixture of drugs...dr wont return my call so im still on 1 mg xanax im of of the withdrawals i thought the klonopin would ease them.......any info on cymbalta  and if it causes worse anxiety and how long should i keep trying it           im thinking about stoppping it