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The Daily Insight

What do diabetic foot ulcers look like

Author

Lily Fisher

Published Mar 06, 2026

A foot ulcer looks like a red crater in the skin. Most foot ulcers are located on the side or bottom of the foot or on the top or tip of a toe. This round crater can be surrounded by a border of thickened, callused skin. This border may develop over time.

What does the beginning of a diabetic ulcer look like?

Look for blisters, cuts, cracks, sores, redness, white spots or areas, thick calluses, discoloration, or other changes. Don’t rely on pain; even feeling more warmth or cold than usual can be a sign that you have an open wound on your skin, and it’s possible that you may feel nothing at all.

What does the beginning of a foot ulcer look like?

A foot ulcer can be shallow or deep. When it starts, it looks like a red crater or dimple on the skin. If it becomes infected, it can develop drainage, pus, or a bad odor. If you have nerve damage in your feet, then you won’t notice the pain of a small stone, too tight shoes, or the formation of a foot ulcer.

How do I know if I have a diabetic foot ulcer?

  1. Any changes to the skin or toenails, including cuts, blisters, calluses or sores.
  2. Discharge of fluid or pus.
  3. Foul smell.
  4. Pain.
  5. Redness.
  6. Skin discoloration.
  7. Swelling.

How do you know you have a foot ulcer?

  1. Swelling.
  2. Burning.
  3. Itching.
  4. Skin discoloration.
  5. Rashes.
  6. Redness.
  7. Dry, scaly skin.
  8. Pain.

How does diabetic wound look like?

It’s rare, but people with diabetes can see blisters suddenly appear on their skin. You may see a large blister, a group of blisters, or both. The blisters tend to form on the hands, feet, legs, or forearms and look like the blisters that appear after a serious burn.

How do I get rid of an ulcer on my foot?

  1. Antibiotics, if an infection is present.
  2. Anti-platelet or anti-clotting medications to prevent a blood clot.
  3. Topical wound care therapies.
  4. Compression garments.
  5. Prosthetics or orthotics, available to restore or enhance normal lifestyle function.

What does a healing foot ulcer look like?

An ulcer on the foot looks like a red sore, most commonly found on the ball of the foot or under the big toe. If the sore gets infected, you will see pus and smell a bad odor. Untreated foot ulcers can develop gangrene and lead to an amputation.

What does a ulcer sore look like?

Generally, a skin ulcer looks like a round open sore in the skin. The outer border might be raised and thick. In the early stages, you’ll notice skin discoloration in the area. It might look red and feel warm.

Can you walk on a foot ulcer?

The increased pressure can cause an ulcer to form, usually on the bottom of the foot just beneath the toes. If you have an ulcer, continuing to walk on it without correcting your gait can prevent it from healing.

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How do I know if my foot ulcer is infected?

While checking areas of your feet, you may notice an area that might feel painful and tender, sensitive, or firm to the touch. This is a sign of infection and a possible foot ulcer. In addition to pain around the wound or infected area, you may also notice swelling or irritation not normally on your foot.

How do you get rid of diabetic foot ulcers?

For proper wound care, clean the wound with saline, apply a topical gel or antibiotic ointment medication to the wound once a day, as recommended by your doctor. After each application, wrap the wound with a clean gauze dressing.

What drink is good for ulcers?

Drinking and Eating With an Ulcer Plain water is the best choice. Meal timing might also make a difference. Some patients have reported a reduction in pain if they skip between-meal snacks, because eating less often reduces the amount of stomach acid produced throughout the day. Less stomach acid means less irritation.

What are the 3 types of ulcer?

  • arterial ulcers.
  • venous ulcers.
  • mouth ulcers.
  • genital ulcers.

Why is my foot ulcer not healing?

As previously mentioned, non-healing foot ulcers are often a sign of PAD, because a non-healing sore on the foot, toe, or ankle can be a sign of a malfunctioning circulatory system. This is important to realize, because there are minimally invasive PAD treatments that can help.

Can a foot blister turn into an ulcer?

A small skin problem like a callus, blister, or cracked skin can turn into a larger sore, called a foot ulcer. Foot ulcers form most often on the pad (ball) of the foot or the bottom of the big toe.

What cream is good for leg ulcers?

Creams containing urea can also be helpful as urea is an excellent moisturiser. The skin around a leg ulcer can become macerated and damaged especially if the wound is exuding heavily. A barrier film such as Cavilon barrier film (3M) or LBF (Clinimed) protects the peri-wound skin and aids healing.

How long do diabetic foot ulcers take to heal?

The median time measured from start of treatment in specialist health care to ulcer healing, including only those who healed, was 75.5 days (SD 123.4). Mean healing time was 113 days.

Do diabetic ulcers hurt?

Diabetic Foot Ulcer Symptoms Normally a wound or sore on the skin would cause pain. But the same loss of feeling in the feet that often contributes to the development of a diabetic foot ulcer means that there’s often no pain associated with the ulcer.

Will diabetic foot ulcers ever heal?

Daily wound care should continue until the wound has healed. People with diabetes and lower extremity arterial disease often heal slowly, so it may take weeks or months for a foot ulcer to heal completely.

What is a neuropathic foot ulcer?

Neuropathic foot ulcers form as a result of a loss of peripheral sensation and are typically seen in individuals with diabetes. Local paresthesias, or lack of sensation, over pressure points on the foot leads to extended microtrauma, breakdown of overlying tissue, and eventual ulceration.

Do foot ulcers leak?

One of the first signs of a foot ulcer is drainage from your foot that might stain your socks or leak out in your shoe. Unusual swelling, irritation, redness, and odors from one or both feet are also common early symptoms.

What helps diabetic wounds heal faster?

Treating Wounds Cleanse the affected area with soap and water daily. Dry the area well after washing, and apply an antibiotic ointment to keep the sore germ-free. You will feel better and heal faster if you keep pressure off the wound.

Which antibiotic is best for diabetic foot ulcer?

Agents such as cephalexin, dicloxacillin, amoxicillin-clavulanate, or clindamycin are effective choices. If methicillin-resistant S aureus (MRSA) infection is suspected, then clindamycin, trimethoprim-sulfamethoxazole, minocycline, or linezolid may be used.

What foods soothe an ulcer?

Apples, pears, oatmeal, and other foods that are high in fiber are good for ulcers in two ways. Fiber can lower the amount of acid in your stomach while easing bloating and pain. Research has also shown that a diet rich in fiber may help prevent ulcers.

Is drinking cold water good for ulcer?

INGESTION OF ICE WATER HASTENS RELIEF OF ULCER PAIN BY REDUCING ACID SECRETION AND GASTRIC MOTILITY.

Is ice cream OK to eat with an ulcer?

While fermented dairy products like yogurt, cheese, and sour cream have been associated with good gut health and a reduced risk of stomach ulcers, non-fermented dairy products, such as milk and ice cream were associated with poorer gut health and an increased risk of ulcers.

How do you detect an ulcer?

The only way your doctor can tell for sure if you have an ulcer is to look. They may use a series of X-rays or a test called an endoscopy. This test allows them to pass a thin, bendy tube down your throat and into your stomach and small intestine.

Where does ulcer pain occur?

The pain is usually in the upper middle part of the abdomen, above the belly button (navel) and below the breastbone. The ulcer pain can feel like burning, or gnawing, and it may go through to the back. Pain often comes several hours after a meal when the stomach is empty.