Neuropathic pain usually results from what type of injury?

Neuropathic pain is a specific type of pain that arises from injuries or dysfunctions within the nervous system. The central nervous system includes the brain and spinal cord, while the peripheral nervous system consists of all other nerves that branch out from the spinal cord and extend to various parts of the body.

When these nervous system pathways are damaged, either through trauma, disease, or inflammation, they can become hyperactive or dysfunctional, leading to sensations of pain that may not correlate with any physical harm to tissues. This contrasts with other types of pain, which may be directly related to damage in muscles, skin, or connective tissues but do not necessarily involve nerve injury.

Therefore, the key aspect of neuropathic pain is its origin from issues affecting the central and peripheral nervous systems, making this the correct choice to emphasize the nature of the injury that leads to such pain.