A small cut on the foot can look harmless. For someone with diabetes, however, that same cut may slowly become a serious wound—especially if blood flow to the foot is poor.
We have seen patients spend weeks changing dressings and applying creams, wondering why a wound is not healing. Sometimes the missing piece isn't another dressing. It is finding out whether the foot is getting enough blood.
Diabetes can affect nerves and blood vessels over time. Nerve damage may reduce the ability to feel pain, while poor circulation can make it harder for the body to repair damaged tissue.
This creates a dangerous combination: a patient may not notice a wound early, and once it develops, healing can be slow.
Watch for:
Cuts or ulcers that do not heal
Black or darkened skin around a wound
Redness, swelling or discharge
Increasing foot pain
Cold or unusually pale feet
Numbness or reduced sensation
Repeated infections
Changes in the colour or temperature of the foot
A wound that keeps returning also deserves proper investigation rather than repeated short-term treatment.
Not every diabetic foot problem is caused by blocked arteries. But when blood supply is reduced, treating the wound alone may not solve the underlying problem.
A vascular specialist can assess circulation using a physical examination and, when appropriate, tests such as an ankle-brachial index or Doppler ultrasound.
The 2024 ACC/AHA guideline describes peripheral artery disease as a condition associated with higher risks of limb problems and poorer walking ability. It also recommends coordinated care involving vascular and foot-care specialists when needed.
One common situation we encounter is a patient who has been treating a toe wound for several weeks without much improvement. The wound itself may not look dramatic, but further vascular assessment can reveal inadequate blood flow.
In such cases, improving circulation can become an important part of the overall treatment plan, alongside wound care and diabetes management.
The lesson is simple: a non-healing diabetic foot wound should not automatically be treated as just a skin problem.
Many people believe that poor circulation always causes severe pain.
That's not true.
A person with diabetes may have nerve damage that reduces the ability to feel pain. So waiting until a wound becomes extremely painful can be a poor strategy.
We would rather see a patient when a wound is small and investigate the reason it is not healing than see the same patient later with extensive tissue damage.
The 2024 vascular guidelines recommend revascularization for patients with chronic limb-threatening ischemia when feasible to help heal wounds, relieve pain and preserve the limb.
The first step is understanding the wound and the patient's overall health.
The doctor may check pulses, skin condition, sensation and blood flow. Depending on the findings, vascular imaging may be recommended.
Treatment is not always surgery. It may involve better wound care, infection treatment, diabetes control, medicines, exercise where appropriate, or a vascular procedure if blood flow is significantly restricted.
This is why choosing a Diabetic Foot Treatment Centre in Kalkaji should be about more than dressing a wound. Look for a team that can identify the reason behind poor healing.
Dr. Naveen Chobdar is a vascular and endovascular specialist who evaluates circulation problems that can affect wound healing. For diabetic foot patients, the focus is not simply on the visible wound but also on whether adequate blood supply is reaching the affected area.
Treatment depends on the cause. It may include wound care, infection management, pressure relief, diabetes control and treatment of poor blood circulation when present.
See a vascular specialist if a diabetic foot wound is not healing, the foot becomes cold or discoloured, there is reduced circulation, or there are signs of serious tissue damage.
Yes, some ulcers can heal without surgery. However, if severe arterial blockage is preventing blood from reaching the wound, a vascular procedure may be needed to restore circulation.
Don't wait for a small diabetic foot wound to become a major problem. If a wound is slow to heal or the foot looks or feels different, arrange a vascular assessment and find out whether circulation is part of the problem.
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