Legs , feet and hands swell constantly and constant pain in left leg what could be my trouble constant pain in my left leg

Leg pain: The leg pain could be many possible things, some minor, some potentially life threatening, such as a blood clot. This should be evluated by a doctor to determine if it is a joint problem, muscular problem, nerve problem, or circulatory problem.

Have it evaluated.: Pain could be due to different reasons. Causes may include: trauma (fracture, tendon or ligamentous tear, arthritis), infection, metabolic conditions (gout) musculoskeletal or biomechanical abnormality, neurologic conditions (neuropathy), or a blood clot. A history and physical exam and possibly laboratory and radiology exams could determine the cause. Get a professional evaluation.