Complex Regional Pain Syndrome (Reflex Sympathetic Dystrophy, RSD) 

RSD is a very serious medical problem that can sometimes stem from a very minor original injury.  Normally, RSD affects an arm or a leg and can produce a great amount of pain.  Presently there is no adequate medical treatment for most cases.  Your doctor must provide a detailed medical report that explains how you first got RSD and how it has affected your body. The doctor must give a very detailed prognosis for your condition.  Some of the consequences of RSD are hair loss, muscle atrophy and various skin changes. Many times there will be a mental element that goes along with RSD, in that the pain may interfere with your ability to concentrate and remember.