Diabetic foot: understanding, protecting, and caring for your feet when you have diabetes
Why Your Feet Need Extra Care
If you're living with diabetes, you've probably heard your doctor mention foot care more than once. And there's a good reason for that. Your feet, those hardworking parts of your body that carry you through every day, become particularly vulnerable when blood sugar levels aren't well controlled over time.
Diabetic foot isn't a single condition — it's an umbrella term for the various foot complications that can develop in people with diabetes. And while the topic might not be the most glamorous, understanding it could genuinely make a significant difference to your quality of life as you age.
The encouraging news? With proper care, attention, and a few simple daily habits, many diabetic foot complications can be prevented or caught early when they're most treatable.
What Actually Happens to Feet When You Have Diabetes
To understand why foot care matters so much, it helps to know what's happening inside your body. Diabetes can affect your feet in two main ways:
Nerve Damage (Neuropathy)
Over time, elevated blood sugar levels can damage the nerves in your feet. This condition, called peripheral neuropathy, often starts gradually. You might notice tingling, burning sensations, or numbness that begins in your toes and slowly moves upward.
Here's where it gets tricky: when you lose sensation in your feet, you might not feel a blister forming from new shoes, a small cut from stepping on something sharp, or even a pebble in your shoe that's rubbing against your skin. Without that warning signal of pain, minor injuries can go unnoticed and develop into serious problems.
Poor Circulation
Diabetes can also affect blood flow to your feet. When circulation is compromised, wounds heal more slowly, and your body has a harder time fighting infections. What might be a minor scrape for someone else could become a stubborn wound that refuses to heal properly.
The combination of reduced sensation and poor circulation creates a situation where small problems can escalate quickly if not addressed.
Warning Signs That Deserve Attention
Being aware of changes in your feet is one of the most powerful tools you have. Keep an eye out for:
- Numbness, tingling, or burning sensations
- Cuts, blisters, or sores that don't heal within a few days
- Redness, warmth, or swelling in any area
- Changes in skin colour or temperature
- Thick, yellow, or ingrown toenails
- Cracked, dry skin, especially around the heels
- Corns or calluses that seem to be getting worse
- Any unusual odour
If you notice any of these changes, please don't wait to see if they improve on their own. Contact your doctor or podiatrist promptly. Early intervention can make an enormous difference in outcomes.
Daily Foot Care: A Simple Routine That Makes a Difference
The good news is that protecting your feet doesn't require complicated routines or expensive products. It's more about consistency and attention than anything else.
Check Your Feet Every Day
This is perhaps the most important habit you can develop. Each day, take a few minutes to examine your feet thoroughly — tops, bottoms, between the toes, and around the heels. If bending down is difficult, use a mirror or ask a family member to help. You're looking for any cuts, blisters, redness, swelling, or changes you haven't noticed before.
Make it part of your existing routine. Perhaps you check your feet every evening when you take off your shoes, or every morning before you put them on. Whatever works for you, the key is doing it consistently.
Keep Them Clean and Dry
Wash your feet daily with lukewarm water (not hot — remember, you might not be able to feel if the water is too warm) and mild soap. Dry them thoroughly, especially between the toes, where moisture can encourage fungal infections.
Moisturise Wisely
Dry, cracked skin can create openings for infection. Apply a good moisturising cream or lotion to the tops and bottoms of your feet daily. However, avoid putting moisturiser between your toes, as excess moisture there can promote fungal growth.
Trim Toenails Carefully
Cut your toenails straight across and file any sharp edges gently. Avoid cutting them too short or digging into the corners, which can lead to ingrown nails. If your nails are thick or difficult to cut, or if you have any concerns about doing this safely, have a podiatrist handle it for you.
Never Go Barefoot
This one might feel like a small thing, but it matters. Always wear shoes or slippers, even indoors. Without sensation in your feet, you could step on something sharp without realising it. At the beach or pool, wear water shoes. The goal is to create a protective barrier between your feet and potential hazards.
Choosing the Right Footwear
The shoes you wear play a surprisingly significant role in foot health. Here's what to look for:
- Proper fit: Shoes should have enough room in the toe box and shouldn't pinch or rub anywhere. Shop for shoes in the afternoon when your feet are naturally slightly larger.
- Breathable materials: Leather or fabric uppers allow air circulation and help prevent moisture buildup.
- Good support: Look for shoes with cushioned soles and adequate arch support.
- Seamless interiors: Rough seams inside shoes can cause friction and blisters.
Before putting on your shoes each time, run your hand inside to check for pebbles, rough spots, or anything that could cause irritation. It takes just a moment and could save you considerable trouble.
If you have significant foot changes or have had previous foot problems, your doctor may recommend specially designed diabetic shoes. These are made to reduce pressure points and accommodate any foot deformities.
When Professional Care Is Essential
Even with excellent home care, regular professional check-ups are important. Your healthcare team should examine your feet at least once a year — more often if you have existing foot problems or a history of complications.
A podiatrist can identify issues you might miss, provide professional nail care, treat corns and calluses safely, and advise on appropriate footwear. Don't hesitate to see one if you have any concerns between regular appointments.
Seek immediate medical attention if you notice:
- A wound that shows signs of infection (increasing redness, warmth, swelling, discharge, or fever)
- A sore that doesn't start healing within a few days
- Any blackened or darkened skin
- Severe pain, even if you normally have reduced sensation
These situations require prompt professional evaluation. Please don't try to manage them at home or adopt a "wait and see" approach.
The Bigger Picture: Managing Your Diabetes
While foot care routines are important, they work best as part of overall diabetes management. Keeping your blood sugar levels within your target range is one of the most effective ways to protect your feet — and indeed, your whole body — from diabetes-related complications.
This means working with your healthcare team to:
- Monitor your blood sugar regularly
- Take medications as prescribed
- Follow a balanced eating plan
- Stay physically active as you're able
- Attend regular check-ups
If you smoke, stopping is particularly important for foot health. Smoking further reduces blood flow to the extremities, compounding the circulation problems that diabetes can cause.
A Word of Encouragement
I know that living with diabetes can sometimes feel overwhelming. There's so much to manage, so many things to remember, so many appointments to keep. And now here I am telling you to add daily foot checks to your routine.
But here's what I want you to take away from this: diabetic foot complications, while serious, are largely preventable with consistent care. The few minutes you spend each day examining and caring for your feet are truly an investment in your future mobility and independence.
Your feet have carried you through decades of life — through joyful moments and challenging ones. They deserve your attention and care. And with that care, they can continue carrying you through many more years of adventures, whether that's travelling to beautiful places, walking in the garden, or simply moving comfortably through your daily life.
If you're living with diabetes and haven't been paying much attention to your feet, today is a wonderful day to start. And if you have any concerns at all, please speak with your doctor or a podiatrist. They're there to help you stay healthy and mobile for as long as possible.
After all, taking care of your feet isn't just about avoiding problems — it's about preserving your ability to do the things you love.
About the Author
Lia Fernandes
Journalist and writer covering aging well, health, and travel after 40. Read more