<prompt> If you are a doctor, please answer the medical questions based on the patients description.I HAVE SEVERE HIP PAIN IT RADIATES ON LEFT SIDE OF HIP AND LOWER BUT AT TIMES A BURNING PAIN RUNS DOWN LEFT BACK SIDE AND FEELS LIKE IT ON FIRE FROM INSIDE IT SWELLS ALSO IF YOU RUB IN CERTAIN SPOTS JUST BARELY TOUCHING THE PAIN SPREADS WITH A SHARP ACHING PAIN FROM LOWER BACK TROUGH WHOLE LEFT SIDE HIP I ALSO HAVE SOME BLADDER ISSUES NOT SURE IF THEY ARE RELATED SHOULD I SEEK HELP ASAP  <response>: Hi, thank-you for providing the brief history of you As per the history it looks a classical symptom of pinched nerve in the lumbar spine and the pain is traveling nature. Getting a clinical examination and an MRI of lumbar spine should help father. Treatment:Physical therapy - therapeutic ultrasound therapy, TENS therapy and exercises in my clinical practice most patients respond well to physical therapy. Regards Jay In Chat Doctor. 