My Dad has severe pain in his leg.  A few days ago he had bad back pain, so I wonder if the leg pain is related.  He has not left his bed in two days except to go to the bathroom.  He can get the pain stabilized while laying in bed, but after getting up it is so painful he can hardly stand it.  Sometimes his leg just starts shaking, and he gets chills while that is happening.  He said the pain is so bad, it feels like its in his bone.
Welcome to Chat Doctor .1. You need to see your doctor and get an x-ray lumbar spine AP/LAT done.2. Depending on the findings, you may have to get an MRI lumbar spine done. As it is good in nerve and chord characterization.3. And few exercise for the back pain radiating to legs are there, you can get info on net or orthopedic department.4. For remedy, please lie on a flat bet and implement the exercises, the symptoms may resolve.5. If there is any underlying medical conditions please treat them first, then this pain will go off by the above-mentioned things. Hope it helps you. Wish you a good health. Anything to ask ? Do not hesitate. Thank you.