A podiatrist is essential to diabetes management because diabetes attacks the feet on two fronts at once: it dulls the nerves that would normally warn you about an injury, and it narrows the blood vessels that supply the tissue needed to heal one. On their own, either change is manageable. Together, they are how a blister or small cut can quietly turn into an ulcer, then an infection, and in the most serious cases, a threat to the limb itself. Routine podiatric care is what catches these problems while they are still small.
Diabetes is a whole-body condition, but the feet are often where its complications show up first and do the most damage — largely because they are the farthest point from the heart and take the brunt of daily wear. Understanding why that is, and what a podiatrist actually does about it, helps explain why foot care deserves a permanent place on your diabetes care team.
Why does diabetes put your feet at risk in the first place?
Diabetes damages the body in ways that compound at the feet. Chronically elevated blood sugar injures small blood vessels and nerves over time, and the feet — being farthest from the heart and constantly under pressure — tend to show the effects earliest and most severely.
Two mechanisms matter most:
- Peripheral neuropathy. Nerve damage from diabetes gradually reduces sensation in the feet, a state often called "loss of protective sensation." A pebble in your shoe, a too-tight seam, or a small cut may not register as pain, so it goes unaddressed. Neuropathy also affects the nerves that regulate skin moisture, which can leave skin dry, cracked, and more vulnerable to breaking open.
- Peripheral arterial disease (PAD). Diabetes accelerates narrowing of the arteries that carry blood to the legs and feet. Reduced circulation means less oxygen and fewer infection-fighting cells reach the tissue, so wounds that would normally close in days can linger for weeks.
Combine reduced sensation with reduced blood flow, and you get the classic diabetic foot problem: an injury the patient never felt, in tissue that cannot heal itself efficiently. That is precisely why routine diabetic foot care is built around catching damage before the patient would ever notice it on their own.
What does a podiatrist actually check for at a diabetic foot exam?
A comprehensive diabetic foot exam looks past the surface for the specific risk factors described above. A typical visit includes:
- A sensation check (often with a simple filament test) to measure how much protective sensation remains and flag areas at risk of unnoticed injury
- A pulse and circulation check in the feet and ankles to screen for peripheral arterial disease
- A skin and nail inspection for cracks, calluses, ingrown nails, fungal infection, or early skin breakdown, including areas patients can't easily see themselves, like the heels and between the toes
- A structural evaluation of foot shape and pressure points, since deformities or high-pressure areas are common sites for calluses and ulcers to form
- A footwear review to identify shoes that are rubbing, pinching, or otherwise creating friction the patient may not feel
None of this requires the patient to already have a problem. The entire point of a diabetic foot exam is to find developing issues — a callus building pressure, a hint of reduced pulse, a small crack in dry skin — before they become an ulcer.
How often should a person with diabetes see a podiatrist?
For most people with diabetes, an annual foot exam is the baseline recommendation, with more frequent visits for anyone who already has neuropathy, poor circulation, foot deformities, or a history of ulcers. Patients managing higher-risk feet may be seen every few months, and any new wound, swelling, or skin color change warrants a same-week visit rather than waiting for the next scheduled exam.
Why does catching problems early matter so much?
Because of the combination of numbness and slow healing described above, diabetic foot injuries rarely announce themselves the way an injury would on a foot with normal sensation and circulation. A wound can quietly progress from a minor skin break to a deep ulcer to an infection that threatens the bone — all while causing little to no pain. Left untreated, a severe infection can eventually threaten the limb itself, which is why advanced limb salvage techniques exist as a later line of defense.
Diabetes can also affect the bones and joints of the foot over time, occasionally leading to a serious condition called Charcot arthropathy, in which weakened bones fracture and the foot's shape can change — sometimes with very little pain due to nerve damage. Routine podiatric follow-up is one of the best tools for catching this kind of structural change early, when it is far easier to manage.
The pattern across all of these risks is the same: the earlier a podiatrist is involved, the smaller and more treatable the problem tends to be.
What can you do between visits?
Podiatric care works best alongside daily habits at home. Inspect your feet every day (using a mirror or asking for help if needed), wash and thoroughly dry your feet daily, moisturize dry skin while avoiding the area between the toes, wear well-fitting shoes and clean socks, and never walk barefoot. Keep your blood sugar as close to your target range as your care team recommends, since stable glucose levels support both nerve function and wound healing. If you notice any change in color, temperature, sensation, or a wound that isn't healing, contact your podiatrist promptly rather than waiting.
Medically reviewed by the physicians at Wasatch Foot & Ankle Institute. Our board-certified, fellowship-trained podiatrists provide diabetic foot care in Farmington and South Ogden, Utah. This article is for general education and is not a substitute for an in-person evaluation.