Diabetic Foot Care

Diabetic Foot Care

Diabetic foot care focuses on preventing, identifying and managing foot problems that can develop as a complication of diabetes. High blood sugar over time can contribute to nerve damage, reduced sensation and circulation problems, making it easier for a small cut, blister, callus or pressure injury to go unnoticed and develop into a diabetic foot ulcer or infection. Regular foot examinations and early treatment can help reduce the risk of serious complications.

Why Is Diabetic Foot Care Important?

People with diabetes may develop diabetic peripheral neuropathy, which can cause numbness, tingling, burning or reduced ability to feel pain, heat or cold. Some people may have nerve damage without noticeable symptoms. When sensation is reduced, an injury caused by footwear, friction or minor trauma may remain unnoticed. Poor blood circulation can further affect the healing of foot wounds.

For this reason, diabetes foot care should be part of routine diabetes management rather than something considered only after a wound develops.

Common Diabetic Foot Problems

Diabetes can be associated with a range of foot conditions, including:

• Diabetic foot ulcers or non-healing sores
• Cuts, blisters and pressure injuries
• Numbness, tingling or burning caused by diabetic neuropathy
• Corns and calluses
• Fungal or other foot infections
• Ingrown or damaged toenails
• Foot swelling or changes in skin colour
• Foot deformities
• Problems related to reduced blood circulation

A comprehensive foot examination can assess the skin, foot structure, sensation and circulation and help identify people who are at increased risk of ulceration. The American Diabetes Association recommends a comprehensive foot evaluation at least annually, with more frequent assessment for people at higher risk.

Diabetic Foot Ulcer Treatment

A diabetic foot ulcer should be evaluated by a qualified healthcare professional rather than treated as an ordinary wound. Treatment depends on factors such as the depth and location of the ulcer, infection, circulation, pressure on the affected area and the person's overall health.

Depending on the clinical assessment, diabetic foot ulcer treatment may involve wound cleaning and dressing, removal of unhealthy or non-viable tissue, pressure relief or offloading, infection management and assessment of blood flow. Advanced wound therapies may be considered for selected chronic ulcers that do not respond adequately to standard care.

Diabetic Foot Wound Care

Effective diabetic foot wound care begins with early assessment and appropriate wound management. Pressure on an ulcer may need to be reduced, and the wound may require professional cleaning, debridement and dressings. If there are signs of infection or impaired circulation, these problems also need timely medical evaluation.

People with diabetes should avoid attempting to remove corns or calluses themselves or ignoring a wound simply because it does not hurt. Reduced sensation from neuropathy can make significant foot problems less noticeable.

How to Prevent Diabetic Foot Problems

Daily foot awareness is an important part of diabetic foot ulcer prevention. Recommended preventive measures include:

• Check both feet every day for cuts, blisters, redness, swelling, sores or changes in the skin and nails.
• Use a mirror or ask someone for help when the soles of the feet are difficult to see.
• Keep feet clean and dry.
• Avoid walking barefoot, including indoors.
• Wear properly fitting shoes and socks.
• Manage diabetes according to your healthcare professional's advice.
• Do not remove corns or calluses yourself.
• Attend recommended diabetic foot examinations.
• Seek medical advice promptly when a wound or other unusual change is noticed. 

For people at high risk of foot ulceration, specialized therapeutic footwear may also be recommended as part of preventive foot care.

When Should You Seek Diabetic Foot Care?

Do not wait for a routine appointment if you notice a foot ulcer, wound, blister, swelling, redness, skin-colour change, infection, new numbness or persistent foot pain. Other warning signs include burning or tingling, changes in the shape of the foot, thickened or discoloured toenails, or a wound that is not healing.

Early assessment is particularly important when there is a history of a previous ulcer or amputation, loss of protective sensation, peripheral artery disease, foot deformity or other factors that increase the risk of diabetic foot complications.

What to Expect During a Diabetic Foot Examination

A diabetic foot examination may include an assessment of:

• Skin condition and signs of wounds or infection
• Foot shape and structural abnormalities
• Protective sensation and nerve function
• Pulses and signs of reduced circulation
• Calluses, pressure areas and other risk factors
• Previous history of ulcers or amputation

The ADA recommends annual comprehensive foot evaluation for people with diabetes, while people with loss of protective sensation or previous ulceration may require more frequent monitoring.

Frequently Asked Questions About Diabetic Foot Care

Can diabetes cause foot ulcers?

Yes. Diabetes can contribute to nerve damage and circulation problems that increase the risk of foot injuries and ulcers. Reduced sensation may make it difficult to notice a wound until it becomes more serious.

How often should a person with diabetes have their feet checked?

The ADA recommends a comprehensive foot evaluation at least once a year for people with diabetes. People with higher-risk feet may need examinations more frequently based on their individual risk factors.

What are the early signs of a diabetic foot problem?

Early warning signs can include redness, swelling, blisters, cuts, sores, calluses, changes in skin colour or temperature, numbness, tingling, burning, nail changes or a change in the shape of the foot.

Can a diabetic foot ulcer heal?

Many diabetic foot ulcers can heal when appropriate care is provided, but healing depends on factors such as blood supply, infection, pressure on the wound and the person's overall health. A healthcare professional should assess a diabetic foot ulcer and determine the appropriate treatment.

Should I walk barefoot if I have diabetes?

It is generally recommended that people with diabetes avoid walking barefoot because unnoticed injuries can occur when protective sensation is reduced. Properly fitting footwear can help protect the feet.