The symptoms experiences with CRPS are typically more severe than one would expect following an injury and persist even after the injury has healed.
The Symptoms of CRPS usually impact day-to-day activities in a significant way and may spread to other areas. This condition is typically diagnosed using the Budapest Consensus Criteria; however, the condition is a diagnosis of exclusion. This means that other causes are considered prior to the diagnosis of CRPS. No specific diagnostic test is available.
CRPS commonly involves symptoms of temperature, color, and sweating changes, decreased range of motion, and changes in the pattern of hair or nail growth. Less frequently, patients may complain of resting tremors, pan occurring with a non-painful stimulus such as light tough (allodynia), or an abnormally increased sensitivity to pain such as to pinprick (hyperalgesia).