Hi Thanks for posting on HCM Lower back pain radiating to legs could be cause by medical conditions like -lumbar osteoarthritis -disc herniation -sciatica -metastasis of osteophilic cancer -fracture.... -Infections like pot s disease Treatment options for such pains may include:Treatment options for such pain may include: different lines of pain drugs depending on pain intensity, myorelaxants, steroid shot occasionally, physiotherapy, surgery.Many of these options may be recommended at a time depending on pain intensity and underlying cause.I will suggest you see a Rheumatologist for examination and work-ups.You may need test like a low back X ray or a low back CT scan or MRI.These will help to identify the cause of the pain.I will advise you try the following: *Rest well *Take a pain drug like aceclofenac *A myorelaxant like miorel *Have your weight under check *Eat well and take enough fluids and fruits to help in transit Then see your Doctor to investigate the exact cause of your pain.Other treatment options may be proposed by your Doctor including hiring the services of a Physiotherapist. Hope this will help Best regards