thank you for your question.... kindly answer the floowoing questions so that it becomes easier for me to understand your problem better... how old are you? since when are you experiencing this pain? where exactly is it located? the swelling is hard or soft? is there any history of external injury to that area?? anyways you should visit a doctor take rest avoid bending or strenuous job have some painkiller for now do an XRAY/ MRI lumbosacral spine kindly contact me with the reports so that further management can be planned.... hope this was helpful... regards