This condition is defined as continuing regional pain due to trauma and injury that is not considered normal. In severe cases, a simple touch can cause significant pain.
Symptoms include swelling, changes in skin blood flow and temperature in the body part. Abnormal excessive sweating as changing in growth patterns for hair and nails may also occur.
Intensive physical therapy earlier in the course of the problem helps. Also, interventional procedures such as Stellate ganglion blocks, Lumbar sympathetic blocks, Spinal cord stimulation are performed by an Interventional pain physician.