What does diabetes do to cause foot pain?

Several things: Two main problems: peripheral neuropathy(inflammation of the nerves) which the foot to hearts: peripheral vascular disease which make the circulation slow or absents, that also cause pain.

Too much sugar: Elevated sugar levels interfere with the very small blood vessels and the nerves in the feet to cause neuropathy. The problem may be pain - or lack of any sensation in the feet.

Nerve disfunction: Depending on the affected nerves, symptoms of diabetic neuropathy can range from a numbness and tingling sensation, possibly a burning sensation, to an uncomfortable painful sensation of the extremities. Neuropathy may affect your digestive system, urinary tract, blood vessels and the heart. For some people, the symptoms are mild; for others, it can be painful and disabling.