Complex Regional Pain Syndrome.

Complex regional pain syndrome is chronic pain condition involving hyperalgesia and allodynia of extremities. The pathophysiology of CRPS is thought to be combination of different factors that take place at the time of initial injury. Sixty two years female presented to us with severe leg pain after intravenous cannulation during her spine surgery and associated with hyperalgesia and allodynia. On examination, there was shinny skin and nail changes on right leg and significant surface temperature difference between two legs. Patients were managed conservatively with patient education, physical therapy, pharmacological management, and psychological therapy with diagnosis of complex regional pain syndrome. Diagnosis is a clinical finding based on the Budapest diagnostic criteria. Early treatment with multidisciplinary approach to pain management is necessary to achieve complete recovery and prevent damage. Complex regional pain syndrome is life altering condition but understanding the etiological factors helps us to an early diagnosis and a better implementation of treatment.