Table 3.

Budapest Criteria for CRPS, 2003.³² CRPS, complex regional pain syndrome.

Continued pain that is disproportionate to any inciting event

Patient must report one symptom in three of the following four categories:

Sensory: allodynia or hyperalgesia

Vasomotor: temperature asymmetry, skin colour changes

Sudomotor: oedema, changes in sweating

Motor/trophic: decreased range of motion, motor dysfunction, changes in hair and nail growth

Must display one sign at the time of evaluation in at least two of the following categories:

Sensory: evidence of hyperalgesia and allodynia

Vasomotor: evidence of temperature asymmetry or skin colour changes

Sudomotor: evidence of oedema or swelling

Motor: motor weakness/dysfunction

There is no other diagnosis that explains the patient's signs or symptoms

CRPS 1 - Without evidence of major nerve damage

CRPS 2 - With evidence of major nerve damage