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About Complex Regional Pain Syndrome Awareness month

Since 2014, the month of November is recognised as Colour the World Orange™ for complex regional pain syndrome (CRPS) awareness. CRPS is a painful and debilitating post-traumatic primary pain disorder. Clinical presentations vary enormously between patients, and a diagnosis is made using the Budapest criteria (Figure 1).

Figure 1: Budapest criteria. Taken from Goebel, A, Barker, C, Birklein, F, et al. Standards for the diagnosis and management of complex regional pain syndrome: Results of a European Pain Federation task force. Eur J Pain. 2019; 23: 641– 651.


The European Pain Federation have several resources to help assess and manage CRPS: