What is the definition or description of: persistent pain?

Pain almost daily: Persistent pain is pain that occurs most of the day, on most days. Pain that last for more than 4-6 months is called chronic pain. Persistent pain doesn't go away in an expected time frame for the injury. for example, your doctor says it'll be fine in a couple of weeks; if the pain is still present, more days than not, at 3-4 weeks out, its persistent. And, it should be re-evaluated by the doc