Diabetes can damage the nerves and cause a complication called neuropathy. This generally begins as loss of sensation in the toes, and possibly fingers. Eventually, the neuropathy can move up the person's legs or arms.
Review Date: 5/28/2013 Reviewed By: Brent Wisse, MD, Associate Professor of Medicine, Division of Metabolism, Endocrinology & Nutrition, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.