Pain associated with diabetes mellitus. It is believed that this condition is the result of reduced blood supply to nerves caused by diabetic damage to small blood vessels.

A syndrome of pain and possibly reduced functionality resulting from nerve damage. This neuralgia may limit sensation, movement, organ function, or other aspects of healthy functionality.

Pain that is felt where an arm or limb has been amputated. The nerves at the amputation site “think” the limb is still attached and send pain messages to the brain. May also be experienced by mastectomy patients.

Trigeminal neuralgia (TN, or TGN), also known as prosoplasia is a neuropathic disorder characterized by episodes of intense pain in the face. It has been described as among the most painful conditions known. Causes include compression of a blood vessel and conditions such as multiple sclerosis.

Like TGN (above), with nerve damage occurring near the end of a shingles episode. Due to damage from the varicella zoster virus, pain, ranging from moderate to debilitating, presents.