What is chronic complex regional pain syndrome?

Painful: Crps is a condition of hypersensitivity in your nervous system. Although the exact mechanism is not known it involves your sensory nerves and your nerves that control blood vessels, and may also involve your immune system. Characteristically the pain is burning or shocking in nature, an extremity is affected after a minor to moderate trauma and there may be color and temperature changes.

CRPS: Complex regional pain syndrome (crps) is a form of chronic pain that usually affects extremity. Crps typically develops after an injury, surgery, but the pain is out of proportion to the severity of the initial injury.