Somatic pain is described as squeezing and sharp or dull and aching, and is readily located by the patient.
Visceral pain is characterized as a deep, pressure-type sensation that is poorly localized; it may be diffuse and/or squeezing.
Neuropathic pain is described as a severe, burning, vise-like grip, or a tingling sensation with an electric shock component
Chronic pain is defined as pain that persists beyond the expected healing phase. The patient often begins to manifest psychological dysfunction, economic distress, and progressive physical deconditioning.