I have had alot of back problems also. sometimes if i do get lucky enough to be right around regular then my back does start hurting me. and it is normally on the left side for me. some days i can actually almost outline my colon it is so bad. i had my gallbladder out about seven years ago and i have been living a nightmare every since. i take meds anytime i get ready to eat but it doesnt always help. just sometimes.