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. Author manuscript; available in PMC: 2017 Jul 16.
Published in final edited form as: Lancet Neurol. 2011 Jul;10(7):637–648. doi: 10.1016/S1474-4422(11)70106-5

Table 1.

Budapest diagnostic criteria for CRPS.6

  1. Continuing pain, which is disproportionate to any inciting event.

  2. Must report at least one symptom in three (‘clinical diagnostic criteria’) or four (‘research diagnostic criteria’) of the following categories:

    • Sensory: hyperesthesia and/or allodynia.

    • Vasomotor: temperature asymmetry and/or skin color changes and/or skin color asymmetry.

    • Sudomotor/edema: edema and/or sweating changes and/or sweating asymmetry.

    • Motor/trophic: decreased range of motion and/or motor dysfunction (weakness, tremor, dystonia) and/or trophic changes (hair, nails, skin).

  3. Must display at least one sign* at time of evaluation in two or more of the following categories:

    • Sensory: hyperalgesia (to pinprick) and/or allodynia (to light touch and/or deep somatic pressure and/or joint movement)

    • Vasomotor: temperature asymmetry and/or skin color changes and/or asymmetry

    • Sudomotor/edema: edema and/or sweating changes and/or sweating asymmetry

    • Motor/trophic: decreased range of motion and/or motor dysfunction (weakness, tremor, dystonia) and/or trophic changes (hair, nails, skin).

  4. There is no other diagnosis that better explains the signs and symptoms.

The validated Budapest criteria for the diagnoses of CRPS. There is a distinction between research diagnostic criteria (positive features in 4 symptom and 2 sign categories) and clinical diagnostic criteria (positive features in 3 symptom and 2 sign categories).6

*

A sign is counted only if observed at the time of diagnosis.