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.
Keep in mind that low back strain can't be blamed for all back pain. There are many other causes, like slipped discs, fractures, pinched nerves, arthritis, and infections. Symptoms of low back strain include: 1  Pain and stiffness in the back. 2  Pain in the buttocks and the legs, often in the back of the thigh. 3  Pain that worsens when bending, stretching, coughing, or sneezing.