When neuropathy has taken your protective sensation, foot ulcer prevention stops being a hygiene habit and becomes a substitution: you replace the warning your nerves used to give with a daily visual check and deliberate control of pressure. Diabetic peripheral neuropathy occurs in up to 50% of patients with diabetes mellitus [1][4], and in that group an injury can develop well before anything hurts.
That is the whole logic of prevention here. Look, because you can no longer feel; and control the pressure and friction that create the injury in the first place.
Why neuropathy changes the arithmetic
Metabolic neuropathy is length-dependent, so it reaches the longest nerve fibers first. That produces the familiar pattern that starts at the toes and moves upward, with burning, tingling or numbness that is often worse at night.
The consequence is mechanical. Skin is still being stressed by every step, but the alarm is weaker, so a blister or a crack has time to become a chronic wound before anyone notices. Once skin is open, bacteria have an entryway, which is why prevention is really about preventing the entryway and catching what does open early [2].
The two daily habits that prevent most late-discovered ulcers
Check your feet every day
Not when there is time. Daily, as a fixed routine, because it is doing the job that sensation used to do [3].
- Use bright light and a mirror for the soles and between the toes.
- Look for redness that does not fade, new callus, blisters, cracks, drainage or a new odor.
- Note changes in writing, and photograph anything you want to compare next week.
Keep pressure and friction under control
Pressure is the part people get backward. Patients whose feet are numb may choose shoes half a size too small because they need more pressure before the shoe registers as fitting, and that creates the pressure points that turn into skin breakdown [5].
- Buy for measured length and width, not for how snug the shoe feels.
- Check inside the shoe before putting it on. A seam, a pebble or a shifted insert is enough.
- Do not walk barefoot outdoors, and do not stay in wet socks.
Map the driver instead of guessing
Neuropathy is a category, not a diagnosis, and blood sugar is rarely the only thing acting on the nerve. Some drivers are metabolic, some nutritional, some toxic, some autoimmune or structural, and each has different leverage.
That matters for prevention because the drivers determine how well tissue tolerates stress and how quickly it repairs. If the driver is still running, the skin you are protecting is working with a thinner margin.
Testing that changes the plan
Electrodiagnostic testing, performed on site, can characterize nerve involvement when symptoms are unclear or changing. Where perfusion is a question, vascular assessment looks at whether micro-circulation is part of why repair is slow. Both are worth doing when the answer would alter what you are doing at home.
Movement, and why it belongs in a prevention plan
Exercise works on the systems that decide how much stress your feet can take: insulin sensitivity and glucose handling, lipids, vascular function, and blood flow to the vasa nervorum that supply the nerve itself.
The program structure used at Regenerve combines endurance work, sensorimotor and balance training, resistance work, and daily foot and ankle mobility. Details of the weekly structure and how to progress it without provoking flares are in exercises for peripheral neuropathy in the feet.
What we do in clinic, and what it is not
Medication that quiets the pain signal does not repair the nerve environment. The work in clinic is aimed at the terrain: restoring microvascular perfusion so oxygen reaches the nerve, reducing the metabolic pathways that produce glycation damage, and supplying the substrates nerves need, all under physician evaluation.
Light-based therapies
Class 4 photobiomodulation and class 3B cold laser are used as part of neuropathy care, alongside the metabolic work rather than instead of it. Whole-body infrared is also offered.
Orthobiologic injections at Regenerve
Where orthobiologic injections are considered, the driver-focused plan stays primary.
When you find something
This is where prevention is won or lost. Waiting for pain in a foot that cannot feel means waiting for the ulcer to declare itself some other way.
- Stop walking on it. Keep weight and pressure off the area entirely.
- Clean gently. Do not scrub broken skin or apply anything abrasive.
- Call your clinician the same day for evaluation, not next week.
Recurrence after a first ulcer is common enough that prevention has to continue after healing rather than stopping with it [2]. The routine is permanent.
Frequently asked questions
What does a daily foot check for neuropathy actually involve?
Bright light, a mirror for the soles, and a look between every toe. You are watching for redness that does not fade, new callus, blisters, cracks, drainage or a new odor. It replaces the warning that protective sensation is no longer giving you. See peripheral neuropathy of the feet symptoms.
Why do people with numb feet often end up in shoes that are too small?
Because pressure is what still registers. Patients whose feet are numb may pick shoes half a size too small in order to feel that the shoe fits, which creates the pressure points that lead to skin breakdown [5]. Buy for measured length, not for how the shoe feels. See the hidden drivers of peripheral neuropathy.
Do I need nerve testing to prevent a foot ulcer?
No test substitutes for the daily check, but electrodiagnostic testing can clarify which fibers are involved when the pattern is unclear or changing, which in turn sharpens what you are preventing. See the neuropathy services offered at Regenerve.
What if the problem is not diabetic neuropathy at all?
It happens. Compression syndromes such as carpal tunnel and sciatica can produce numbness and burning that get filed under diabetic neuropathy, and the prevention plan differs. See carpal tunnel, sciatica and double crush.
Find out what is driving it
Prevention gets easier when you know which driver is doing the damage. The free five-question Nerve Damage Score at regenerve.com/assessment is the starting point, and it takes a few minutes.
Sources
- Bragg S, Tucker Marrison S, Haley S, Diabetic Peripheral Neuropathy: Prevention and Treatment, American Family Physician, 2024;109(3):226–232, https://www.aafp.org/afp/2024/0300/diabetic-peripheral-neuropathy.
- Parveen K, Hussain MA, Anwar S, Elagib HM, Kausar MA, Comprehensive review on diabetic foot ulcers and neuropathy: treatment, prevention and management, World Journal of Diabetes, 2025;16(3):100329, https://pmc.ncbi.nlm.nih.gov/articles/PMC11885961/.
- Centers for Disease Control and Prevention, Diabetes and Your Feet, https://www.cdc.gov/diabetes/diabetes-complications/diabetes-and-your-feet.html.
- University of Michigan Medical School, The Burden of Diabetic Peripheral Neuropathy, https://medresearch.umich.edu/research-news/burden-diabetic-peripheral-neuropathy.
- Kowalick C, Advances in preventing and treating diabetic neuropathy, Magazines of the Schools at UT Health San Antonio, December 1, 2025, https://magazines.uthscsa.edu/schools/2025/12/01/advances-in-preventing-and-treating-diabetic-neuropathy/.