Diabetic Foot Ulcer Prevention: 10 Tips from Wound Care Specialists

Why Diabetic Foot Ulcer Prevention Matters

Diabetic foot ulcers are among the most serious complications of diabetes. They are the leading cause of non-traumatic lower limb amputations in the United States, with approximately one person requiring an amputation every 30 seconds due to diabetes-related complications. Yet the vast majority of these amputations are preventable through proper foot care, blood sugar management, and early detection of problems.

Diabetes damages the small nerves in your feet (a condition called neuropathy) and reduces blood circulation. This combination is dangerous: you lose the ability to feel pain from injuries, and your body struggles to fight infections and heal wounds. A blister, cut, or pressure area that would heal easily in someone without diabetes can quickly become a serious ulcer requiring hospitalization or amputation.

The good news is that most diabetic foot ulcers can be prevented. By following evidence-based prevention strategies and catching problems early, you can keep your feet healthy and avoid the serious complications that threaten limbs and independence.

10 Evidence-Based Diabetic Foot Ulcer Prevention Tips

1. Maintain Tight Blood Sugar Control

This is the foundation of everything else. High blood sugar slows wound healing, impairs your immune system's ability to fight infection, and accelerates nerve and blood vessel damage. Work with your healthcare provider to keep your blood sugar in your target range. Use your glucose monitor as directed, take your medications consistently, and adjust your diet as recommended. Every point of improvement in your blood sugar control reduces your risk of complications.

2. Inspect Your Feet Daily—Every Single Day

With nerve damage from diabetes, you may not feel pain from cuts, blisters, or pressure sores. Daily inspection is your early warning system. Spend 2-3 minutes each evening checking your feet for:

• Cuts, punctures, or wounds of any size
• Blisters or signs of rubbing from shoes
• Redness, swelling, or warmth (signs of infection)
• Cracks or peeling skin
• Calluses or corns
• Changes in color or temperature

If you have trouble seeing the bottom of your feet, use a mirror or ask a family member to help. Report any abnormalities to your healthcare provider immediately—don't wait to see if it gets worse.

3. Wash Feet Gently with Lukewarm Water

Cleanliness is essential, but you need to wash carefully to avoid damaging skin. Use lukewarm (not hot) water, as diabetes can reduce your ability to sense temperature and you could accidentally burn your feet. Wash gently with mild soap, paying special attention between the toes where moisture can trap bacteria. Dry thoroughly, especially between the toes, and apply moisturizer to any dry areas—but not between the toes, where moisture promotes infection.

4. Wear Appropriate, Well-Fitting Shoes

Shoes that don't fit properly are the leading cause of foot injuries in people with diabetes. Your shoes should:

• Have a wide toe box to avoid crowding and pressure on toes
• Provide good arch support and cushioning
• Be made of breathable material to prevent moisture buildup
• Have a firm heel counter to prevent sliding
• Be broken in gradually (wear new shoes for short periods before wearing all day)

Some people with diabetes benefit from custom diabetic shoes or orthotics designed to distribute pressure evenly. Ask your healthcare provider or podiatrist whether specialized footwear might help you.

5. Trim Toenails Carefully

Improper nail trimming can cause injury and infection. Always:

• Trim nails straight across, not rounded
• Cut at or just above the skin line—never too short
• Use a nail file to smooth sharp edges
• Trim after bathing when nails are soft
• If you have thick nails or difficulty seeing, see a podiatrist for professional nail care

Ingrown toenails are common in people with diabetes and can quickly become infected, so preventing them is important.

6. Manage Calluses Properly

Calluses form where there's pressure or friction, and they can hide sores underneath. After bathing, gently use a pumice stone to smooth calluses—but never use harsh tools that can cut the skin. Apply moisturizer afterward. If calluses are painful, thick, or recurrent, see a podiatrist rather than trying to remove them yourself.

7. Keep Feet Warm and Dry

In cold weather, wear warm socks and shoes to maintain circulation. Never use heating pads or hot water bottles directly on your feet, as reduced sensation may prevent you from noticing burns. Change socks if they become wet or damp, as moisture creates an environment for fungal and bacterial infections. Avoid going barefoot, even indoors, as unnoticed injuries can quickly become serious.

8. Be Physically Active

Regular exercise—30 minutes on most days—improves circulation, helps control blood sugar, and reduces your risk of complications. Walking is excellent for most people with diabetes. However, wear appropriate shoes during exercise, and inspect your feet afterward for any signs of injury. If you develop foot pain or other symptoms during exercise, stop and consult your healthcare provider.

9. See a Professional for Foot Care

Annual foot exams by a podiatrist or wound care specialist are recommended for all people with diabetes. More frequent visits (every 3-6 months) are recommended if you have risk factors like nerve damage, poor circulation, or previous foot problems. These professionals can:

• Test for nerve damage with monofilament testing
• Assess circulation with non-invasive testing
• Identify risk areas where ulcers are likely to develop
• Provide professional debridement of thick calluses
• Refer you to specialists when needed

Gateway Wound Care specialists provide comprehensive foot and wound assessments as part of preventive care for patients with diabetes.

10. Address Circulation Problems Immediately

If you notice coolness in your feet, swelling, color changes, or unusual numbness that goes beyond typical diabetic neuropathy, contact your healthcare provider. These may indicate problems with circulation that require vascular assessment and treatment. Poor circulation dramatically increases your ulcer risk and requires specialist attention.

When to Seek Help: Warning Signs of Serious Problems

Even with perfect prevention, some people develop diabetic foot complications. Know when to seek immediate help:

• Any wound or sore on your foot, no matter how small
• Redness, warmth, or swelling around a wound
• Pus or unusual drainage from a foot wound
• Red streaking moving up from your foot toward your leg
• Fever or chills accompanying a foot problem
• Sudden increase in foot pain or numbness
• Open sores that are not healing within a few days

Don't wait for symptoms to get worse. Contact a wound care specialist immediately if you notice any of these warning signs.

Prevention is the Goal

Following these 10 tips won't guarantee that you'll never develop a diabetic foot ulcer—but they can dramatically reduce your risk. Combined with regular healthcare provider visits, blood sugar monitoring, and immediate attention to any problems you notice, these strategies give you the best chance of keeping your feet healthy for life.

Remember: the time to prevent a diabetic foot ulcer is now, before it develops. By taking these steps today, you're protecting your ability to walk, to stay independent, and to enjoy an active life free from the complications that diabetic foot ulcers can bring.

If you have questions about diabetic foot care or would like a professional assessment of your foot health and ulcer risk, Gateway Wound Care specialists are available in the St. Louis area. Call us at (314) 804-8364 or request a patient referral.