I am experiencing severe back pain and pain shooting down the leg. the following also describe me: leg pain and back pain. what should i do?

Needs to be checked: Back pain especially lower back pain radiating down the legs needs to be checked by your doctor.Need a detailed history&Physical Examination if indicated may need imaging like xrays and/or MRI test to find out the cause and treat properly.A trial of pain meds like non steroidal drugs and muscle relaxant may be prescribed with or withot physical therapy before imaging is done.It may be pinch nerve