Sciatica: Compression or irritation of the sciatic nerve, often on account of a herniated disc or bone spur, can cause radiating pain in the lower back right down to the legs. Chronic Back Pain - What it is What is Chronic Back Pain? Back pain is considered chronic if it https://www.theorthopaedicandpainpractice.com/back-pain-should-i-be-concerned-about-back-pain/