i am having bad pain in upper right right hand side. persistent diarrhara. i am also experiencing lower back pain . i have a history IBS. i am a diabetic, but sugars ususally run in normal range. i was put on medication of an infection the name apo-cephalex cephalexin.i would appreciate any information you can give me. thank you very much. i also have a history of a low heart rate ranging from 25-40.