I have been having severe pain in my upper abdomen on both sides and on my back same area as the front,it hurts to walk or bend over in those areas it takes my breath away it hurts that badly.This has been going on for about 4 days now,and I think its getting worse as each day passes.I also fell very hard on my back on Dec. 26th and I fell so hard it knocked the wind out of me.The pain has been increasing on a daily basis since the fall on Dec.26th,my back obviously hurts from this fall but the side pains only started 4 days ago.