Foot Ulcers

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What Is a Foot Ulcer?

A foot ulcer is an open sore or wound that most commonly develops on the ball of the foot, the big toe, or the heel. It usually starts when repeated pressure or friction breaks down the skin. Once the skin is damaged, deeper tissues are exposed, increasing the risk of infection.

Recognising the Symptoms
Foot ulcers are not the same as simple blisters or calluses. Early detection is critical.
Early Stage Warning Signs
  • A red, warm area that does not turn white when pressed
  • Thickened callus with a shiny or stretched appearance
  • Burning, tingling, or a “pebble-in-the-shoe” sensation
Open Ulcer Stage
  • A small open crater with a pink, red, or yellow base
  • Clear or blood-stained fluid on socks
  • Little or no pain, especially in people with diabetes-related nerve damage
Seek urgent medical attention the same day if you notice:
  • Pus or foul-smelling discharge
  • Blackened tissue
  • Red streaks spreading up the foot or leg
Swelling extending above the ankle
Causes and Risk Factors

Foot ulcers usually develop gradually due to constant pressure, not from a single injury. Common risk factors include:

  • Diabetic neuropathy (loss of protective sensation)

  • Poor circulation (peripheral arterial disease)

  • Foot deformities such as bunions, claw toes, high arches, or flat feet

  • Ill-fitting, tight, or worn-out footwear

  • Poor blood sugar control, smoking, obesity, or prolonged standing

Treatment at Footcare Orthotics
  • Our goal is to heal the ulcer as quickly as possible—and prevent it from returning. We follow a proven four-step approach:
    1. Off-Loading Pressure
    We remove pressure from the wound using a total-contact cast, air-cast walker, or custom medical footwear.
    2. Clean and Dress
    Dead tissue is gently removed, and advanced wound dressings are selected based on your ulcer type. Dressings are typically changed 1–3 times per week.
    3. Support and Protect
    Custom orthotics with soft top covers redistribute body weight away from the ulcer site.
    4. Prevent Recurrence
    We provide footwear guidance, daily foot-check education, and orthotic reviews every three months. Most foot ulcers heal within 6–12 weeks when pressure is properly off-loaded and follow-up appointments are maintained.