Diabetic Feet: The Daily Checklist That Prevents Serious Wounds

A small blister on the foot may not mean much to most people, but for a diabetic, it can be a problem due to the body's reaction. Diabetes can affect sensitivity and circulation in some limbs, failing to alert when something is wrong. Consequently, healing becomes slower.

The dangers of a wound in a diabetic are as follows:

It can become infected and spread rapidly, sometimes with few initial signs.
It can turn into a chronic ulcer, especially on the foot, because the wound does not close and pressure continues to "open" the tissue.
It can reach deeper structures (tendons, joints, bone). When it reaches the bone (osteomyelitis), treatment becomes very complicated.

It can lead to gangrene and amputation in severe cases, when there is a strong infection and/or severely compromised circulation.

Daily Monitoring

For the reasons mentioned above, it is important to be vigilant daily, especially with your feet. Why? Because although diabetes can affect circulation and sensation throughout the body, this compromise usually begins in the feet and progresses over time to other parts of the body, such as legs and hands.

If the person has difficulty bending over or seeing the sole of their foot, a mirror or the help of a family member can resolve the limitation. This daily monitoring should pay attention to the following details mentioned in the daily checklist below.

Daily checklist:

Skin and coloration

Look for changes in color, reddened areas, dark spots, pale or bluish areas. These changes may indicate excessive pressure or circulatory changes.

Temperature

Compare one foot with the other by touch. Temperature differences can signal inflammation or infection in an early stage. A warmer, localized area deserves attention.

Cracks and cuts

Examine heels, spaces between toes and side edges. Cracks, cracked skin, or small cuts are entry points for infections.

Blisters and pressure areas

Any blister should be valued. Also, areas where footwear marks the skin, even without a visible wound, indicate risk.

Nails and skin between the toes

Ingrown, thickened, or discolored nails should be monitored. Between the toes, look for signs of excessive moisture or peeling that may suggest fungal infection.

Hygiene and care tips

After observation, hygiene should be simple and regular. Wash your feet with lukewarm, never hot, water and dry carefully, especially between the toes. Skin hydration is important, but avoid applying cream to the interdigital areas, where excessive moisture favors maceration.

Nails should be cut straight, without rounding the corners, to reduce the risk of ingrown nails. In case of visual or motor difficulty, professional guidance is the safest option.

Footwear is also part of prevention. It should fit the foot without compressing, allow space for the toes and not create friction points. Before wearing, check the inside to ensure there are no objects or irregularities.

What not to do

Do not use direct heat sources, such as hot water bottles or heaters, to warm your feet. Decreased sensitivity may prevent the perception of burns.
Do not treat calluses or warts with chemical products without professional guidance. Corrosive substances can cause deep lesions.
Do not burst blisters, do not cut calluses with blades, and do not apply tight dressings that compromise circulation.
Do not walk barefoot, even at home. Small objects on the floor can cause wounds that go unnoticed.
Do not delay medical evaluation in the presence of signs such as persistent pain, discharge, bad odor, or increased local temperature.

24–48 hour protocol when a foot wound appears

What can be done at home (and what cannot)

If you see a cut, an open blister, a bleeding crack, or a "scrape" that exposes the skin, it should be cleaned carefully and protected.

Wash hands;
Rinse the wound under running lukewarm water (or saline solution) to remove visible dirt;
Use a mild soap only around the wound, without rubbing the raw area;
Dry with gentle touches, with a clean compress, without rubbing;

Avoid alcohol and hydrogen peroxide. The use of antiseptics (including iodine) should only be done if indicated by a professional. Corrosive products for disinfection should be avoided as they irritate the tissue and delay healing, and in a person with diabetes the risk is even greater. If there is a large loose skin or a blister, do not try to trim it. If the wound has debris that does not come out with water alone, or if it has a bad odor, pus, abnormal pain, spreading redness, fever, skin turning black/bluish, it should be evaluated by health professionals on the same day. The American Diabetes Association is direct about this: wounds that do not heal or changes in the foot deserve a quick evaluation.

Should it always be covered? With what?

In practice, yes, it should be covered, because the cover protects against friction, dirt and new micro-injuries, and helps maintain a more controlled healing environment. The safest option for "first aid" at home is a sterile non-adherent compress (one that does not stick to the wound) and a dressing that fastens without tightening; if you only have common gauze, use it as a resource, but try to prevent it from sticking to the tissue, because when you remove it the next day you may pull off what was closing. Change the dressing if it becomes wet, dirty or smells, and always observe before covering again. A cover should not constrict or create new pressure over the wound. This type of home care is described in clinical teaching materials for patients with diabetic foot ulcers, focusing on gentle cleaning and appropriate dressings. (ACS)

When to stop putting weight on your foot and immediately reduce steps

If the wound is on the sole of the foot, heel, toes, or even "on the side" but in a place where the shoe rubs, assume that every step counts as repeated trauma; and in skin with altered sensitivity, the person continues to bear weight without realizing that they are worsening the injury. Here it makes sense to reduce steps immediately within the first 24–48 hours and, in some cases, avoid weight-bearing until you are seen, especially if there is redness around, local heat, swelling, increasing pain, drainage, or if the wound appears deeper than it initially did. The key concept is pressure relief (offloading) and is a central part of international recommendations for diabetic foot wound healing. (IWGDF Guidelines)
And it is important to pay attention even if "it doesn't hurt", as sometimes this can be a sign of neuropathy.

What is Neuropathy?

Neuropathy is a problem with the nerves. That is, the nerves stop transmitting information well between the body and the brain.

In diabetes, there is a lot of talk about peripheral neuropathy, which usually affects the "longest" nerves first, especially in the feet and legs, and later may appear in the hands. What the person notices varies, but there is a typical pattern: numbness, tingling, burning, a shocking sensation, or the opposite, less sensitivity to touch, pain, and temperature.

Walking and exercise: how to protect without stopping life

Long walks?

It is not advisable to take long walks if neuropathy is already present. With neuropathy, there is a risk of creating repeated pressure points that can turn into blisters and, consequently, into wounds. Walking can be good if it is for short distances, with checking the foot before and after and with well-chosen footwear and socks. The CDC recommends "foot-friendly" physical activity and emphasizes the importance of discussing with the healthcare team what makes the most sense for each person, especially when there are already foot problems. (CDC)

What type of exercise is most "friendly" to the diabetic foot?

Practical rule: the less impact and less friction on the foot, the easier it is to maintain consistency without creating injury. Stationary bike, elliptical (if it doesn't create pressure points), swimming and well-controlled strength exercises are often very useful options, because they improve glycemic control and physical condition without forcing the foot to take "thousands of impacts". If there is already an active wound or marked pressure areas, the priority changes: first protect and offload, then return to the plan with progression. And this fits into the offloading logic of the guidelines. (IWGDF Guidelines)

How many days a week and with what progression to avoid blisters?

It depends on each situation and each body's response, but for example, start with short sessions (such as 10–15 minutes), with consecutive observation of the skin's reaction

Insoles: how to choose and when it makes sense to use them

Insoles?

Insoles can help in some way, but they can also create a new pressure point. In people with moderate/high risk (marked neuropathy, deformities, recurrent calluses, previous ulcer), an assessment for a custom-made insole to relieve specific areas usually makes more sense, because here ulcer prevention can exist. The IWGDF recommendations place great emphasis on footwear/aids that reduce pressure and are part of integrated care in people at higher risk. (guidelinecentral.com)

Who really needs pressure relief at specific points?

Those who always have calluses in the same place, deformities (claw toes, bunion, bony prominences), clear differences between one foot and the other, or a history of ulcer. In these people, the insole is an instrument to relieve load from the right point and redistribute it to areas that tolerate it better. This is, again, offloading in daily practice, not only when a wound already exists. (IWGDF Guidelines)

The impact of socks

There are socks that can worsen pressure without the person noticing. For example, when they have tight elastic bands at the top, thick seams at the toes, and fabric that wrinkles inside the shoe, creating repeated micro-pressures. In people with neuropathy, this can turn into a blister or wound. The ideal is to choose socks with a cuff that does not constrict or leave a deep mark on the leg, a soft toe (preferably without aggressive seams) and breathable fabric that does not become soaked with sweat; if there are already sensitive areas, some padding can help as long as it does not steal space from the shoe and does not increase compression.

If there are doubts, there is a way to tell if they are suitable: by wearing them and running your finger along the inside, especially in the toe area, because if there is a raised area to the touch, it can become a friction point when walking. And as for wearing time, these should be changed at least daily and, if the socks become damp, they should be changed in the middle of the day, as moisture and friction greatly increase the risk of blisters and wounds. (CDC)

Taking care of your body today is investing in your well-being and mobility tomorrow.

— Aveimédica