Diabetic neuropathy and poor circulation: The root causes of foot damage

Diabetes is one of the leading causes of foot complications and understanding how it affects your feet is crucial for prevention. High blood sugar levels over a prolonged period can damage nerves (a condition called diabetic neuropathy) and also impair blood circulation. When this happens, the feet become more vulnerable, minor cuts or blisters can go unnoticed, and slow healing increases the risk of infection. In severe cases, untreated wounds can lead to ulcers, tissue damage, gangrene or even amputation.
Two main factors i.e, nerve damage and poor circulation causes the diabetic foot issues. Neuropathy reduces your ability to feel pain, heat, or injury, so you might not notice small cuts or blisters until they become serious. Meanwhile, decreased blood flow makes it harder for the body to heal wounds and fight infections effectively. Together, these conditions make foot injuries more likely to worsen without prompt care.

- Foot ulcers: Open sores that typically develop on the bottom of the foot. Left untreated, they can deepen and lead to infection.
-Infections: Even minor injuries can turn serious, spreading to bones or tissues.
-Neuropathy: Loss of sensation makes it easy to miss cuts, burns, or blisters.
-Charcot Foot: A severe condition, due to neuropathic arthropathy,where alignment of joints changes resulting in disfigurement of foot and changed pressure zones resulting in infections that can involve bones resulting in bone fractures and deep infections
-Poor circulation: Reduced blood flow delays healing and increases the risk of tissue damage.

Early detection can make all the difference. If you have diabetes, never ignore these warning signs and consult your doctor if you notice any of these symptoms:
-Numbness or tingling in the feet or toes
-Burning or sharp pain that feels unusual
-Sores or blisters that don’t heal
-Redness, swelling, or warmth around a cut
-Cracked heels or dry skin that bleeds
-Changes in skin colour (dark patches, pale areas)
-Misshapen toes or foot deformities
-Foul odour or discharge from a wound

Managing foot health requires daily attention and regular check-ups.
-Inspect your feet every day for cuts, redness, or swelling.
-Schedule regular foot exams with your doctor or podiatrist.
-Wash your feet daily and keep them dry, especially between the toes.
-Trim nails carefully to avoid ingrown toenails.
-Wear comfortable, well-fitting shoes and seamless socks.
-Avoid heating pads or hot water bottles as neuropathy can prevent you from sensing burns.
-Elevate your feet while sitting to improve circulation.
Diabetic foot complications can be serious but are largely preventable. Regular monitoring, proper hygiene, and good blood sugar control go a long way in maintaining healthy feet. With timely medical care and daily attention, you can stay mobile, pain-free, and reduce your risk of severe complications. Prevention truly is the best treatment when it comes to diabetic foot health.
Dr Vineet Arora, Senior Director, Internal Medicine, Max Super Speciality Hospital, Shalimar Bagh