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.
Medical Definition of Mononeuropathy. Mononeuropathy: A disorder of a single nerve or nerve trunk. Mononeuropathies may be due to entrapment, compression, stretch injury, ischemia, infection, or inflammation of a nerve. The most common entrapments are of the median nerve of the wrist (the carpal tunnel syndrome) and ulnar nerve of the elbow (the cubital tunnel syndrome).