The area may become very swollen and look pale and waxy. X-rays show thinning or damage of the joints or bones. Often the spreading pain affects the muscles, producing painful spasms. Permanent changes may result during the final stage of this disorder. The pain may remain severe, although some people notice less pain.
Joint movement is greatly impaired.
Your doctor will review your medical history and the nature of your present problem. The affected area and other sites that may be important will be examined. A complete examination may be needed in some cases. X-rays and sometimes a bone scan will be obtained to help make a proper diagnosis. Some doctors will order or perform other tests to identify the cause of your problem.