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By Mayo Clinic Staff. Most leg pain results from wear and tear, overuse, or injuries in joints or bones or in muscles, ligaments, tendons or other soft tissues. Some types of leg pain can be traced to problems in your lower spine. Leg pain can also be caused by blood clots, varicose veins or poor circulation.
4 leg back or side pain kidney problems can lead to pain in the back side or even in the leg kidney cysts large fluid filled sacs resulting from polycystic kidney disease that form on kidneys and occasionally on the liver can also cause back and leg pain