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Diabetic Foot Ulcer: Symptoms, Causes, Treatment and Cost

Last Updated: Sep 23, 2022

What is Diabetic Foot Ulcer?

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Diabetic foot ulcers are wounds on the feet generally developed in diabetic people. They're usually slow to heal and can lead to infection or even require amputation if left untreated.

What are foot and toe ulcers?

Foot and toe ulcers are open sores on the skin of your feet, toes, or ankles. Many things can cause them, including:

Types of Diabetic Foot Ulcer

  • Neuropathic Ulcer: Neuropathy, or damage to the nerves, is a typical intricacy of diabetes and can cause numbness in the feet and legs. Neuropathic ulcers occur when a person lacks sensation over pressure points and sustains trauma to those areas. A callus form at the site of injury becomes thick enough to re-traumatize the area beneath, causing an ulcer. Unseen or neglected cuts and scrapes can result in ulcers.
  • >Ischemic Ulcer: Ischemic ulcers are one of the most common types of diabetic foot ulcer. They occur when blood flow to a part of the body is reduced, depriving the tissue of oxygen and nutrients. Ischemic ulcers are caused by peripheral artery disease (PAD) or other conditions that reduce blood flow to the feet.
  • Neuroischemic Ulcer: People with peripheral neuropathy caused by peripheral artery disease are prone to develop this kind of ulcers. These ulcers heal more slowly than other types—if they do heal—and have a higher risk of infection, leading to amputation if left untreated.

Diabetic Foot Ulcer Symptoms

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What are the first signs of Diabetic Foot Ulcer?

The first signs of a diabetic foot ulcer are usually minor cuts or blisters on the bottom of your feet. These can develop into an ulcer if they're not treated. Other symptoms include:

  • Skin changes, including cuts and blisters
  • Release of liquid or pus from the wound
  • Foul smell and pain when walking due to tissue damage
  • Redness/discoloration of the skin around the ulcer
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What causes Diabetic Foot ulcers?

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High blood sugar levels can lead to diabetes-related neuropathy, in which nerves throughout the body (but most often those in your legs and feet) are damaged. You might not notice a blister or cut on your feet if your feet are numbed. They can become infected if you don't take care of such wounds immediately.

People with diabetes are prone to develop peripheral artery disease (PAD), which causes arteries in the limbs and feet to narrow or block. If you are suffering from diabetes and poor blood circulation, it will be harder for your foot ulcers or infections to heal.

What does a diabetic foot ulcer look like?

A foot ulcer resembles a red, crater-like lesion with thickened skin around its edge. Severe ulcers can expose tendons or bones.

How serious is Diabetic Foot Ulcer?

A foot ulcer can signify severe infection, leading to amputation. Some people with diabetes will develop neuropathy and nerve damage that causes tingling and numb feet. This makes it hard for them to sense when something is wrong with their feet. If you have neuropathy, you must check your feet regularly for cuts or blisters that need immediate attention.

Foot ulcers are also a result of peripheral artery disease (PAD). PAD is caused by a buildup of fat and cholesterol in the blood vessels which makes it difficult to deliver oxygen and nutrients to your tissues. If you have PAD, it will be harder for your foot ulcer or infection to heal. If untreated, a diabetic foot ulcer can lead to serious complications such as infection, gangrene, and amputation.

Risk factors for Diabetic Foot Ulcer

  • Neuropathy
  • Peripheral Vascular Disease
  • Age
  • Obesity
  • Smoking
  • Family history of foot ulceration or amputation

How can you prevent Diabetic Foot ulcers?

Dos

  • Perform a foot check every day and look for redness, swelling, or tenderness in your feet.
  • Wear shoes with a thick sole and high-impact support.
  • Keep your feet dry.
  • Use powder to keep moisture.
  • Wear socks made of breathable material to allow air circulation around your skin.
  • Make sure that the blood flow in your legs and feet is good by regular exercise and getting enough sleep.

Diabetic Foot Ulcer - Diagnosis and Tests

How is a Diabetic Foot Ulcer diagnosed?

Your doctor looks at, inspects, and feels the foot for blisters, cuts, or scratches that may become infected. The blood flow rate is evaluated by feeling the pulse in your toes.

What tests are done for Diabetic Foot ulcers?

  • XRay

    X-rays can be used to compare the alignment of your bones, which might have shifted due to an ulcer. They can also reveal any loss of bone mass—a common side effect in people who suffer from diabetes or other endocrine disorders.

  • MRI

    A Magnetic Resonance Imaging (MRI) scan creates a computerized image of soft body tissues using magnetic fields and radio waves. Doctors may order an MRI if they need more information about how severe an ulcer is or where it has spread.

  • Blood Tests

    If you show symptoms of infection, such as redness, swelling, or warmth in your foot, your doctor may recommend a blood test to examine if you have been infected with bacteria. The results take about one week to come back.

What are the possible complications of Diabetic Foot ulcers?

A foot ulcer can lead to severe complications such as infection, gangrene, and amputation if left untreated. If you have diabetes, it's essential to be aware of the symptoms of foot ulcers and seek medical advice immediately upon noticing any changes in your body.

Home Remedies for Diabetic Foot Ulcer?

It is crucial to keep your feet dry and clean at all times. This will reduce the risk of infection and prevent bacteria from entering your body through cuts or cracks in your skin. You should also avoid walking barefoot without shoes on whenever possible. If you have a foot ulcer, it's essential to keep it clean by washing it with warm water and soap once or twice daily.

Home remedies, however, only help you in subsiding the effects of diabetic foot ulcers. Surgery, however, can help you get relief from the problem for good.

What to eat in Diabetic Foot Ulcer?

The best foods to eat when you have diabetes are those that are low in fat and high in fiber and protein. These include fruits, vegetables, and whole grains. It would help to drink plenty of water each day to avoid dehydration.

What not to eat in Diabetic Foot Ulcer?

You should avoid sugar, processed foods, and alcohol if you are diagnosed with diabetic foot ulcers. These have high fat and calorie content, leading to weight gain and other health concerns in people with diabetes.

When should I talk to my doctor about Diabetic Foot ulcer?

You should consult your doctor as soon as possible upon noticing any of the following symptoms:

  • Numbness or tingling in your feet
  • Pain or burning in your feet that does not go away when you get up from resting
  • Sores that do not heal

Which doctor to consult for Diabetic Foot Ulcer?

A podiatrist or a wound care specialist is often the best person to see if you have any foot problems, including diabetic foot ulcers. These doctors can help you manage your diabetes and prevent problems like foot ulcers in the future.

What questions should I ask my doctor about Diabetic Foot ulcer?

If you have a diabetic foot ulcer or are concerned about one, here are some questions to ask your doctor:

  • How did this happen?
  • What preventions are needed to keep it from happening in the future?
  • What are the treatment options available for foot ulcers in people with diabetes?
  • Is amputation an option for me? If so, when should we consider it as a treatment option?

Diabetic Foot Ulcer Treatment

Which are the best medicines for Diabetic Foot ulcers?

Alogliptin, Pioglitazone, Becaplermin, Ertugliflozin, Semaglutide, and Teneligliptin are some medicines that are usually prescribed to people with Diabetic Foot Ulcers.

Diabetic Foot Ulcer Treatment without surgery

The initial step in treating a diabetic foot ulcer is to improve blood flow to the foot. This may be done by wearing compression stockings or using an ultrasound machine to massage your calf muscles. Your doctor may also recommend wearing special shoes that provide extra padding and support for your feet.

Many medicines can also treat diabetic foot ulcers. The most common one is pioglitazone, which can be used with other medications. Pioglitazone works by reducing inflammation and increasing blood flow to the area of the wound.

What are the surgical treatments for Diabetic Foot Ulcer?

Debridement, Achilles Tendon Lengthening, and Atherectomy are some common surgical treatments for Diabetic Foot Ulcer.

What is the procedure of Diabetic Foot Ulcer surgery?

  • Debridement: Debridement is the discarding of dead tissue from the area of your foot ulcer. The surgeon will remove any gangrenous tissue and necrotic bone as well as clean out any pus from the wound. This procedure is done to help prevent further infections and to promote healing.
  • Achilles Tendon Lengthening: The surgery occurs in a hospital, where an orthopedic surgeon makes small incisions to get to the Achilles tendon. They gently stretch and cut it—lengthening the tendon by about one centimeter.

    After surgery, doctors put on a cast to keep the injured area still for two to six weeks. After removing the cast, they may advise wearing a brace for several more weeks.

  • Atherectomy: Atherectomy is one of the vascular surgical procedures in which plaque—a sticky substance that builds up inside arteries as cholesterol, calcium, and other materials break down—is removed.

Balloon angioplasty is sometimes performed immediately after an atherectomy. The doctor uses a catheter to remove buildup from inside blood vessels.

Identifying the symptoms early and starting with the treatment are known to keep foot ulcers at bay in the future. At Pristyn Care, rest assured to be in the care at the hands of the best surgeons in the industry.

How long does it take to recover from Diabetic Foot Ulcer?

Foot ulcers can heal in about three months and require frequent doctor visits to ensure healing goes as planned. Sometimes, you may need special shoes to reduce pressure on the wound.

What is the cost of Diabetic Foot Ulcer treatments in India?

The average cost of Diabetic Foot Ulcer treatments in India is Rs. 184494, which can go up to Rs. 467708 depending on the type of surgery and severity of the ulcer.

Are the results of the Diabetic Foot Ulcer treatment permanent?

Most foot ulcers heal in 12 weeks if the blood flow is adequate. However, about one-third of healed ulcers return to their original size within a year or two.

Who is eligible for the Diabetic Foot Ulcer treatment?

You must have diabetes, between the ages of 18 and 65 years old. You must have an active infection or ulcer on your foot that cannot be treated with antibiotics alone.

Who is not eligible for the Diabetic Foot Ulcer treatment?

You may not be eligible if you are pregnant or nursing; Have a medical condition that makes it unsafe to receive the treatment, such as internal bleeding or blood clotting disorders.

What are the post-treatment guidelines?

You should continue taking your diabetes medicine and any other medications you may be taking. You should plan a follow-up appointment with your doctor within two weeks after the procedure. If you have diabetes, it is important that you continue to follow your doctor's treatment procedure. This includes taking all your diabetes medications (including insulin), monitoring your blood sugar levels regularly, following a healthy diet, and exercising regularly.

What can happen if a Diabetic Foot Ulcer is not treated?

If a Diabetic Foot Ulcer is not treated, it can lead to severe complications, including:

  • Gangrene- This occurs when tissues begin to die, and the body is no longer able to get nutrients from the affected area. It can cause severe pain and swelling.
  • Amputation- This is the most serious complication of an untreated or poorly managed foot ulcer. About 70% of people with diabetes who have had a lower-leg amputation will need another amputation within 5 years.

What are the side effects of Diabetic Foot Ulcer treatments?

The most common side-effects of diabetic foot ulcer treatments include pain and discomfort from bandages or dressings, along with pain from injections: nausea, vomiting, rashes, itchiness, and other skin reactions.

Diabetic Foot Ulcer - Outlook / Prognosis

The outlook for someone with a diabetic foot ulcer depends on the severity of their diabetes and how quickly they get treatment. If you have diabetes and suspect an ulcer, make sure to see your doctor immediately. Diabetic foot ulcers are painful and can lead to severe complications, including amputation. But if identified early, treated appropriately, and managed over time with good blood sugar control, most people can avoid the serious consequences of their condition.

Frequently Asked Questions (FAQs)

What causes Diabetic Foot Ulcer to grow?

Diabetic foot ulcers are caused by skin trauma, often due to neuropathy (numbness or tingling in the feet) and peripheral vascular disease (poor circulation).

Do Diabetic Foot Ulcer cause infertility?

Yes. Diabetic foot ulcers can lead to circulatory problems that affect your reproductive organs, causing infertility in men and women.

Is Diabetic Foot Ulcer cancerous?

While diabetic foot ulcers are not cancerous, they can become infected with bacteria or fungi that can lead to skin cancer.

Can Diabetic Foot Ulcer cause back pain?

Yes. Neuropathy can cause lower back pain due to the fact that your nerves are affected by diabetes.

Can Diabetic Foot Ulcer cause digestive problems?

Yes. Diabetic foot ulcers can cause digestive problems, leading to anemia and poor blood circulation. This can cause nausea, vomiting, constipation, and diarrhea.

Does a Diabetic Foot Ulcer cause pain?

Yes. Diabetic foot ulcers can cause pain due to the fact that they are very serious and can lead to amputation if left untreated.

What causes Diabetic Foot Ulcer to grow after menopause?

N/A
Yes, these two are related.

Does Diabetic Foot Ulcer cause frequent urination?

Yes, Diabetic Foot Ulcer can cause frequent urination. This is because it causes dehydration and poor circulation, which can lead to kidney problems.

How to shrink Diabetic Foot Ulcer naturally?

Diabetic Foot Ulcer can be shrunk naturally by drinking adequate water and eating vitamin-rich foods.

Do Diabetic Foot Ulcers bleed?

Yes, Diabetic Foot Ulcers can bleed. This happens when they get infected or irritated.

Do Diabetic Foot Ulcers cause weight gain?

N/A

References

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Written ByDrx Hina FirdousPhD (Pharmacology) Pursuing, M.Pharma (Pharmacology), B.Pharma - Certificate in Nutrition and Child CarePharmacology
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Reviewed ByDr. Bhupindera Jaswant SinghMD - Consultant PhysicianGeneral Physician
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