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Following an injury or surgery, even something as simple as a sprained ankle, some people begin experiencing intense pain that seems to spread from the injury and makes the entire limb feel on fire or as if electrical shocks are running up and down the area. Often, doctors diagnose these individuals with complex regional pain syndrome (CRPS), a condition for which there are many causes and symptoms.

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1. What is Complex Regional Pain Syndrome?

Complex regional pain syndrome is a rare condition that can occur after surgery, stroke, heart attack, or an injury. It is thought to be an unusual autoimmune response to the trauma. Unfortunately, this pain is often more impactful than the injury or preceding illness itself.

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