Pain management health centre. Sciatica (sciatic nerve pain) - Symptoms, causes, diagnosis, treatment. Sciatica is a common type of pain caused by compression or irritation of the sciatic nerve. The sciatic nerve is the longest nerve in the body, going from the pelvis, through the buttocks, down the legs to the feet.
According to the Neuropathy Association, some 20 million Americans suffer from various forms of neuropathy, a potentially serious condition caused in part by blockage of small blood vessels within the nerves in the legs, with diabetes as the most common cause.
1 Neuropathy refers to a disease of the nerves, and about oneâ¦. 2  Nerve Damage Can Sometimes Be Reversed Nerve damage, or neuropathy, can be caused by trauma such as a car accident or fall, or by disease such as diabetes.