Feet in Type 2 Diabetes: A Critical Area of Attention

When a person hears the diagnosis “type 2 diabetes,” they usually think about pills, cutting out sugar, and insulin injections. But there is one topic that endocrinologists discuss with particular concern — the feet. And for good reason: foot problems are among the most common and serious complications of diabetes, potentially leading to devastating consequences, including amputation.

Short answer: in type 2 diabetes, feet require lifelong, daily, and extremely careful care. This is not just hygiene — it is a vital routine comparable to taking medication.

Why Are Feet Affected in Diabetes?

High blood sugar gradually damages two key systems that determine foot health:

1. Nerve Damage (Diabetic Neuropathy)

Imagine that the wires carrying signals from the brain to the feet gradually lose insulation and burn out. A person stops properly feeling pain, temperature, and touch. This condition is known as diabetic foot syndrome.

Main danger: a person may step on something sharp, develop a blister from uncomfortable shoes, or get burned by a hot heating pad — and not feel it. A wound forms, but there is no warning signal. The foot continues to bear weight, and the injury worsens.

2. Blood Vessel Damage (Angiopathy)

High blood sugar makes blood vessel walls stiff and fragile, narrowing their lumen. Blood carrying oxygen and nutrients for healing simply does not reach the foot, especially the toes.

Main danger: even the smallest wound heals very slowly. In conditions of poor oxygen and nutrition, bacteria easily enter the wound, leading to inflammation that progresses rapidly.

The combination of loss of sensation (neuropathy) and poor healing (angiopathy) creates ideal conditions for infections, ulcers, and gangrene.

Diabetic Foot Syndrome (DFS)

This is a broad term that includes all pathological changes in the feet of a person with diabetes. There are three main forms:

• Neuropathic Form (most common)

• Foot is warm, pink
• Pulses are present
• Sensation is reduced
• Ulcers appear in pressure areas (sole, between toes)
• Often leads to Charcot foot — bone deformation causing a “rocker-bottom” foot

• Ischemic Form

• Foot is pale and cold
• Pulses are absent
• Pain occurs while walking (intermittent claudication)
• Ulcers appear on toes and heels — dry, black, and very painful necrosis

• Mixed Form

• Most common in practice
• Combines features of both types

Early Warning Signs

A person with diabetes must pay attention to any changes. Seek medical attention (endocrinologist or podiatric surgeon) immediately if you notice:

• Changes in sensation: numbness, tingling, burning (especially at night)
• Skin color changes: redness, bluish or black discoloration
• Swelling (one foot more than the other)
• Temperature differences between feet
• Deformities: new calluses, hammer toes, widened foot
• Wounds or cracks that do not heal within 3–5 days
• Calf pain when walking that improves with rest (intermittent claudication)

Golden Rules of Foot Care (Patient Guide)

These rules should be as routine as brushing your teeth — and followed daily.

1. Daily Inspection

Every evening, carefully examine your feet:

• Soles (use a mirror if needed)
• Between toes
• Heels

Look for redness, cuts, blisters, cracks, or fungal infections.

2. Proper Washing

• Wash feet only with warm water (no more than 36–37°C / 96–98°F)
• Always check temperature with your hand or a thermometer
• Use mild, fragrance-free soap
• Do NOT soak feet in hot water
• Dry gently with a soft towel, especially between toes (do not rub)

3. Moisturizing and Protection

• Diabetic skin is dry and prone to cracking
• Apply a rich cream daily (preferably with urea)
• Do NOT apply cream between toes (keep them dry)
• For cracks, use healing creams (e.g., with dexpanthenol)

4. Proper Nail Care

• Avoid razor blades and corn plasters — they can injure skin
• Trim nails straight across (do not round corners)
• File edges gently
• Do not remove calluses yourself — see a trained specialist (podiatrist)
• Medical (hardware) pedicure is recommended for diabetic patients

5. Proper Footwear

• Shoes must be comfortable, soft, with a wide toe box
• Low heels only
• Do not “break in” shoes — they must be comfortable immediately
• Always check inside shoes before wearing them
• Wear socks made of natural materials, without tight elastic bands
• Never walk barefoot, even at home

6. What You Must NEVER Do

• Soak feet in hot water
• Use heating pads, radiators, or electric heaters
• Use corn removal chemicals or medicated plasters
• Walk barefoot
• Smoke — it severely damages blood vessels, especially in the legs

When to See a Doctor

People with type 2 diabetes should have their feet examined by an endocrinologist or vascular specialist at least once a year (preferably every 6 months).

The doctor will check:

• Pulses in foot arteries
• Reflexes
• Sensitivity using a monofilament test

Seek immediate medical attention if:

• A wound does not heal within 2–3 days
• A toe or part of the foot turns black
• The foot suddenly becomes swollen, red, and hot
• Pain appears at rest (especially severe ischemic pain affecting sleep)

Conclusion

In type 2 diabetes, the feet are the body’s Achilles’ heel. Complications develop silently but can lead to serious consequences. However, unlike many other complications, foot problems can be prevented almost entirely through simple daily care and self-monitoring.

Treat your feet like a fragile, valuable instrument. Inspect them, wash them, moisturize them, protect them from injury, and wear comfortable shoes.

And remember: loss of sensation is not a reason to relax — it is a reason to be even more vigilant.

Your health is in your hands.