Comprehensive Guide to Diabetic Foot Ulcers

Understanding, prevention, and treatment of diabetic foot ulcers for patients and families.

1

What Is a Diabetic Foot Ulcer?

As the name suggests, a diabetic foot ulcer is an open sore or wound that occurs on the feet of people with diabetes. Due to nerve damage (neuropathy) and poor blood circulation, these patients are prone to developing chronic wounds on their feet.

If you have diabetes and notice any wound on your foot, contact your doctor immediately to reduce the risk of infection or amputation.

2

What Causes Diabetic Foot Ulcers?

The main causes of diabetic foot ulcers include:

  • Nerve damage (diabetic neuropathy) — the person may not feel pain from blisters, cuts, or foreign objects.
  • Damage to blood vessels — reduced circulation slows down wound healing.
  • Weak immune response in the skin — the body cannot effectively fight bacteria.

Environmental aggravating factors:

  • Wearing ill-fitting shoes or walking barefoot
  • Poor foot hygiene
  • Smoking or hookah (reduces blood flow)
  • Physical injury (burns, cuts, or puncture wounds)
3

Symptoms of Diabetic Foot Ulcers

Early warning signs include:

  • Tingling, burning, or numbness in the feet
  • Skin discoloration (red, gray, or black)
  • Painful or painless wounds with foul-smelling or bloody discharge
  • Changes in nail shape or peeling skin around the feet
4

Are Tests Necessary?

Yes, clinical and laboratory evaluations are essential:

  • Physical examination and assessment of foot blood circulation
  • Wound culture to identify infectious bacteria
  • In chronic cases, X-ray or MRI to evaluate the depth of the ulcer
5

How Is a Diabetic Foot Ulcer Treated?

Treatment depends on the severity and type of the ulcer and may include the following:

  • Cleaning and specialized wound dressing
  • Debridement — removal of dead tissue
  • Use of antibiotics in case of infection
  • Reducing mechanical pressure using casts, walkers, or modified shoes
  • Vascular reconstruction therapy to improve blood flow

In severe or uncontrolled infections, amputation may be necessary.

6

Home Care After Treatment

To prevent ulcer recurrence, follow your doctor's instructions carefully:

  • Take medications and change dressings as prescribed
  • Maintain proper foot hygiene, including between the toes
  • Use assistive devices such as casts, walkers, or modified shoes
  • Consult your doctor about bathing and physical care
7

Follow-up and Re-evaluation Steps

Regular visits are essential to monitor the progress of wound healing.

  • Be sure to visit your doctor at the scheduled times.
  • If healing is incomplete, your doctor will suggest an alternative treatment.

⚠️When Should I Contact My Doctor?

Call your doctor immediately if you notice any of the following:

  • Changes in the shape of your toes or the sole of your foot
  • New blisters, cuts, or wounds on your foot
  • Numbness or a cold sensation in your feet
  • Black or dead tissue around the wound
  • Fever, swelling, redness, pus discharge, or foul odor from the wound
9

Prevention of Diabetic Foot Ulcers

Daily Foot Care

Check your feet daily for cuts, blisters, or inflammation.

  • Wash your feet with lukewarm water and dry them completely, especially between the toes.
  • Apply a suitable moisturizing cream to your feet.
  • Trim your toenails straight and file the edges smoothly.

Physical Protection of the Feet

  • Wear soft shoes and cotton socks even indoors.
  • Avoid exposing your feet to direct heat or cold.

Metabolic Prevention

Lifestyle habits play a key role in prevention:

  • Maintain blood sugar within the normal range.
  • Completely stop smoking and using hookah.

Need a Specialist Evaluation?

The Taskin Wound Care Team is ready to provide specialized care for diabetic patients.

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