Diabetic Peripheral Neuropathic Pain

Key facts

• Diabetic peripheral neuropathic pain is burning, stabbing, or electric-shock pain in the feet and hands that develops when chronically high blood sugar damages the peripheral nerves.
• It's one of the most common long-term complications of diabetes.
• Blood sugar control is the foundation of slowing further nerve damage; for the pain itself, duloxetine, an SNRI from the antidepressant class also used in neurology, has a well-established evidence base.
• Get a review promptly if pain is severe, disrupts sleep, or comes with sudden weakness, skin ulcers, or loss of balance.

What causes the damage

Persistently high blood glucose injures the small blood vessels that supply the peripheral nerves, and it disrupts the nerves' own metabolism directly. Nerves in the feet and hands are affected first because they are the longest in the body, so damage shows up earliest at their far ends. Risk climbs with how long someone has had diabetes and how well blood sugar has been controlled over that time; high blood pressure and smoking add to the risk by damaging blood vessels further.

What the pain feels like and how it's managed

The sensations are often described as burning soles at night, sharp shooting pains, or intense sensitivity to light touch. Some people also notice numbness or tingling that alternates with the pain.

Blood sugar control is the foundation of slowing nerve damage. For the pain itself, certain neurology medicines are used, in particular serotonin-noradrenaline reuptake inhibitors such as duloxetine, which belongs to the broader antidepressants class but has a well-established evidence base specifically for neuropathic pain. Self-care steps that help include keeping feet clean and inspected daily (damaged nerves reduce the ability to feel injuries), wearing cushioned footwear, and avoiding alcohol, which can worsen nerve damage.

When to see a doctor

If pain is severe, disrupts sleep, or is accompanied by sudden weakness, skin ulcers, or loss of balance, a review with a doctor is warranted.

This page is educational and does not replace advice from a doctor or pharmacist who knows your health history.