Patients and healthcare providers commonly think of pain as a symptom of an underlying injury or illness. Say, for example, you hurt your low back while lifting. Perhaps, you’ve injured a muscle or ligament, or perhaps it’s an injury to the spine, like a disc bulge or herniation. Either way, you now have pain and the pain is the symptom of the injury. The same might be true for any health condition that causes pain, particularly when it first starts.