 [ Symptoms ] what are the risk factors of further injury from osteoporosis [ Disease ] the following risk factors increase your chance of getting fractures from osteoporosis past broken bones from osteoporosis very low bone mineral density bmd frequent falls limited movement such as using a wheelchair medical conditions likely to cause bone loss such as some kinds of arthritis taking steroid medicines called glucocorticoids such as prednisone other medicines that may cause bone loss for example seizure medicines such as phenytoin blood thinners such as heparin and high doses of vitamin a