Complex regional pain syndrome, or CRPS, is a chronic pain condition that most often affects one of the limbs (arms, legs, hands, or feet). Commonly following injury or trauma to a limb, CRPS is believed to be caused by the damaging or malfunctioning of the peripheral and central nervous systems.
The central and peripheral nervous systems are composed of the brain and spinal cord. The central and peripheral nervous systems entail nerve signaling from the brain and spinal cord to the rest of the body. There are several symptoms related to CRPS, and it is distinguished by prolonged or excessive pain, among other symptoms.
The main symptoms of CRPS include: