Chronic Neuropathic Pain from phenotype deprecated-Neuropathic Pain true This term already exists in the ontology as 'Chronic Neuropathic Pain' (SCDO:0000228), however when searching other ontologies, the term 'chronic' is included in the definition. I have therefore edited the definition to include the term 'chronic'. Please review as to whether we need to change the label that currently exists in SCDO. Is treated with: amitriptyline, duloxetine, gabapentin, or pregabalin. Chronic pain caused by damage to nerve fibers. It is usually associated with tissue injury. This pain is usually described as burning, numb, tingling, lancinating, shooting, or paroxysmal in nature and is associated with a sensation of pins and needles. Its severity is also enhanced by exposure to either cold or heat.