imÂ·meÂ·diÂ·aÂ·cy. n. pl. imÂ·meÂ·diÂ·aÂ·cies. 1. The condition or quality of being immediate. 2. Lack of an intervening or mediating agency; directness: the immediacy of live television coverage. 3. Something immediate, as in importance.
Back pain is accompanied by weight loss, fever, chills or urinary symptoms. You develop sudden weakness, numbness or tingling in a leg. You develop numbness in the groin or rectum or difficulty controlling bladder or bowel function. You have had cancer previously and you develop persistent back pain.
Low back pain refers to pain that you feel in your lower back. You may also have back stiffness, decreased movement of the lower back, and difficulty standing straight. Acute back pain can last for a few days to a few weeks.