Large cell Lymphoma...finished treatment...but, ouch!

I am a 50 year old female athlete who completed 6 cycles of CHOP chemotherapy and 3 1/2 weeks of radiation for a lymphoma in my abdomen on March 13th...it is taking me longer than i like to get back to feeling good!...i have developed aches throughtout my body...and i feel "brittle"...am wondering if anyone else shares the post treatment aches, and the accompaning frustration and worry. It has been suggested that i go on celexa to help with the aches and anxiety that goes along with them...i'd appreciate feed-back...and i am available to offer what i can to others going through this....it is quite a trip...and with enough support can be an incredible one! thanks!