Get the facts on Neuropathic Pain with this 100%-accurate animated video. Part of Focus Apps' Understanding Disease: Neurology series, the Neuropathic Pain app demonstrates the chronic pain caused by injury to nerve fibers, which can occur after a trauma or as a result of a disease. The injury can impact and cause changes in nerve function both at the site of injury and in areas around the injury..Explore types of neuropathic pain, causes, symptoms, and treatments (invasive and medication).