
By Henry Tseng, DPM – Foot & Ankle Specialist in West Covina and Alhambra, CA
Diabetes can impact your feet in ways that go beyond high blood sugar levels. One of the most serious complications faced by diabetic patients is the development of diabetic ulcers—open wounds or sores that typically form on the bottom of the foot. Without prompt care, these ulcers can lead to infection, hospitalization, and even amputation. Fortunately, with early detection and proper podiatric management, most diabetic ulcers can heal successfully and recurrence can be prevented.
What Causes Diabetic Foot Ulcers?
Diabetic ulcers form primarily due to three key factors associated with diabetes:
- Neuropathy (Nerve Damage):
Over time, elevated blood sugar damages nerves, particularly in the feet, leading to loss of sensation. Without pain perception, patients may not notice cuts, blisters, or pressure sores. - Poor Circulation:
Diabetes often causes peripheral arterial disease (PAD), which restricts blood flow to the feet. Reduced circulation delays healing and increases infection risk. - Foot Deformities and Pressure Points:
Bunions, hammertoes, and calluses create areas of excessive friction or pressure. Combined with neuropathy and poor circulation, these can easily lead to ulcer formation.
Recognizing the Early Signs of a Diabetic Ulcer
Many ulcers begin small and painless but can quickly worsen. Warning signs include:
- Persistent redness or swelling
- Drainage on socks or shoes
- Foul odor from the wound
- Black or discolored tissue (a sign of necrosis)
- Visible open sores or blisters that do not heal
If you have diabetes, it’s essential to inspect your feet daily and schedule regular foot exams with a podiatrist to catch these problems early.
How Dr. Henry Tseng, DPM Treats Diabetic Ulcers
At the offices of Henry Tseng, DPM, diabetic foot ulcers are treated using advanced, evidence-based techniques to promote healing and prevent recurrence. Treatment may include:
- Wound Cleaning and Debridement: Removing dead or infected tissue to encourage new tissue growth.
- Infection Control: Antibiotic therapy or culture-guided medication if infection is present.
- Offloading Techniques: Custom orthotics, casts, or specialized footwear to reduce pressure on the ulcer.
- Circulation Improvement: Coordination with vascular specialists when necessary to restore blood flow.
- Diabetic Foot Care Education: Helping patients maintain proper hygiene, monitor blood sugar levels, and choose appropriate footwear.
With timely treatment and ongoing preventive care, most ulcers can heal without surgery.
Preventing Diabetic Foot Ulcers
The best treatment is prevention. Dr. Tseng emphasizes these key strategies:
- Inspect feet daily for blisters, cuts, or discoloration.
- Keep blood sugar levels within target range.
- Wash feet daily and moisturize (avoid areas between toes).
- Wear properly fitting shoes with good support.
- Schedule routine podiatric checkups—especially if you’ve had ulcers before.
Q&A: Diabetic Foot Ulcers
Q: Are diabetic ulcers painful?
A: Not always. Many patients have neuropathy and cannot feel pain, which is why ulcers may go unnoticed until they become infected or severe.
Q: How long does it take for a diabetic ulcer to heal?
A: Healing time depends on the size, depth, infection status, and circulation. With proper podiatric care, many ulcers heal within weeks to months.
Q: Can diabetic ulcers be prevented?
A: Yes. Regular foot inspections, blood sugar control, and routine podiatrist visits are the best ways to prevent ulcers from developing.
Q: When should I see a podiatrist for a foot sore?
A: Immediately. Any sore, blister, or wound that does not heal within a few days—or shows signs of redness, drainage, or swelling—should be evaluated by Dr. Tseng.
Q: What happens if I ignore a diabetic ulcer?
A: Untreated ulcers can become infected and spread to deeper tissues or bone, potentially leading to hospitalization or even amputation. Early care is crucial.
Contact Dr. Henry Tseng, DPM
West Covina Office
📍 2707 E. Valley Boulevard, Suite 303
West Covina, CA 91792
📞 (626) 330-4866
Alhambra Office
📍 1300 E. Main St., Suite 211
Alhambra, CA 91801
📞 (626) 289-7626
🌐 docfoot.com
📅 Schedule an Appointment
Take control of your foot health today.
If you have diabetes, even a small wound can become serious. Schedule your foot exam with Henry Tseng, DPM to protect your feet and prevent future complications.
