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When we think about diabetes, blood sugar is usually the first thing that comes to mind. But diabetes can affect many parts of the body, including the feet.
Over time, diabetes can affect the nerves, blood vessels, skin, and the body’s ability to heal wounds. Some changes develop gradually and may not cause noticeable symptoms in the beginning. This is why foot care for people with diabetes is important even when there is no existing foot problem.
Understanding how diabetes affects your feet can help you recognise early warning signs, prevent complications, and protect your mobility.
Diabetes can affect foot health mainly through nerve damage, reduced blood circulation, and delayed wound healing.
These problems can occur independently or together, increasing the risk of foot injuries, infections, and diabetic foot ulcers.
High blood sugar over a long period can damage the nerves, particularly those in the feet. This condition is commonly known as diabetic peripheral neuropathy.
Nerve damage may cause:
The biggest concern is that reduced sensation can make it difficult to notice a foot injury.
A small cut, blister, burn, or pressure injury may go unnoticed because it does not hurt.
Diabetes can also affect the blood vessels and circulation in the lower limbs.
Good blood circulation is important because blood carries oxygen and nutrients that tissues need to remain healthy and wounds need to heal.
When circulation is reduced, a foot wound may take longer to heal and may be more vulnerable to infection.
For someone without diabetes, a small cut may heal without much attention.
For a person with diabetes, however, nerve damage, circulation problems, and other diabetes-related factors can make wound healing more difficult.
A wound that remains open for too long can become infected and may eventually develop into a diabetic foot ulcer.
This is why even a small wound should not be ignored.
Diabetes does not automatically mean that you will develop a foot problem. However, people with diabetes have a higher risk of certain foot complications.
These may include:
Some problems may appear minor initially but can become more difficult to manage if they are not identified early.
Yes. A person with diabetes can have a significant foot problem without experiencing pain.
This is particularly important when diabetic neuropathy has reduced sensation in the feet.
For example, a person may develop a blister from a new pair of shoes but continue walking normally because they cannot feel it. The blister can then break, become infected, and develop into a more serious wound.
This is one of the main reasons daily foot inspection is recommended for people with diabetes.
Do not rely on pain alone to tell you that something is wrong with your feet.
People with diabetes should look for changes such as:
Any new or unexplained change should be taken seriously, particularly if you already have reduced sensation or a history of foot problems.
Good foot care does not need to be complicated. Simple daily habits can help identify problems before they become serious.
Look carefully for cuts, blisters, cracks, redness, swelling, skin colour changes, and wounds.
Remember to check between your toes and the soles of your feet. If you cannot see the soles clearly, use a mirror or ask someone to help.
Wash your feet regularly with lukewarm water and dry them thoroughly.
Pay particular attention to the spaces between the toes, where trapped moisture can encourage fungal infections.
Dry, cracked skin can create openings through which bacteria can enter.
Use an appropriate moisturiser to help maintain healthy skin, but avoid applying moisturiser between the toes unless specifically advised by a healthcare professional.
Choose comfortable, well-fitting footwear that protects your feet from pressure, friction, and injury.
Avoid shoes that are too tight or cause repeated rubbing.
Walking barefoot increases the risk of cuts, burns, puncture injuries, and other trauma.
This is particularly risky if you have reduced sensation in your feet.
Do not ignore a small cut, blister, or wound simply because it does not hurt.
If a wound does not heal or develops redness, swelling, discharge, or other signs of infection, seek medical attention promptly.
You do not have to wait until you develop a serious ulcer to seek professional foot care.
A diabetic foot specialist or podiatric specialist can assess your risk, identify early problems, and recommend appropriate preventive care.
Consider seeking professional evaluation if you have:
People who have already experienced a diabetic foot ulcer may also require ongoing monitoring to reduce the risk of recurrence.
One of the most important things to understand about diabetic foot health is that prevention should begin before a problem develops.
You do not need to have a foot ulcer to benefit from professional foot care.
Regular foot checks can help identify changes in sensation, skin condition, pressure points, footwear-related problems, and other risk factors at an earlier stage.
Early attention can make it easier to manage a problem before it becomes a serious wound or infection.
Diabetes can affect your feet even when they look completely normal.
Nerve damage can reduce sensation. Changes in circulation can affect healing. A small injury can go unnoticed and may become infected if it is not treated promptly.
The good news is that many diabetic foot complications can be prevented or managed more effectively when identified early.
Make foot care part of your everyday diabetes routine:
Check your feet. Protect your feet. Don’t ignore changes.
Your feet help you stay active and independent every day. Taking a few minutes to care for them today can help protect your mobility for years to come.
Dr. Ajit Kumar Varma is a Podiatric & Diabetic Foot Expert in Kochi, Kerala, providing specialised care for diabetic foot conditions, foot wounds, diabetic neuropathy, infections, wound healing, and limb preservation.
