This document provides an overview of neuropathic pain, including its definition, symptoms, causes, assessment, and treatment. Some key points: - Neuropathic pain is caused by damage or disease affecting the somatosensory nervous system. It is described as burning, shock-like, or tingling. - It has both positive symptoms like allodynia and dysasthesia, and negative symptoms like hypoalgesia. Common causes include shingles, diabetes, spinal cord injury. - Assessment involves screening tools, neurophysiological tests, and sometimes nerve biopsies. Treatment includes antidepressants like amitriptyline, anticonvulsants like gabapentin and pregabalin, opioids