Signs and tests Neuromuscular examination may reveal nerve dysfunctions. Neurologic deficits are usually symmetrical. Signs of autonomic dysfunction may be present. Eye inspection may show decreased pupil response or other abnormality. Lab tests may be performed as indicated by the history, signs, and symptoms to rule out other possible causes of neuropathy.
Alcoholism is a risk factor for nutritional deficiency.
Nerve biopsy may be used to rule out other possible causes of the signs and symptoms. An upper GI and small bowel series may show decreased motility, delayed emptying of the stomach, or other abnormalities. All Rights Reserved. All rights reserved. The information contained above is intended for general reference purposes only.