Signs and symptoms
... CRPS occurs in two types, with similar signs and symptoms but different causes: Type I. Previously known as reflex sympathetic dystrophy syndrome, this type occurs after an illness or injury that didn...

Causes
... Complex regional pain syndrome may result from disturbances in the sympathetic nervous system, the part of the nervous system that controls blood flow and your sweat glands. This syndrome commonly fol...

When to seek medical advice
... If you experience constant, severe pain that affects a single limb and makes touching or movement of the limb seem intolerable, see your doctor to determine the cause. It''s important to treat CRPS ea...

Screening and diagnosis
... Your doctor may base a diagnosis of CRPS on: Review of your medical history. The onset of CRPS symptoms can often be traced back to an accident, illness or injury. Physical examination. An examination...