Wound Healing Guide
Medically reviewed • Practical, patient-friendly

Why Your Wound Is Not Healing

If your wound isn’t improving, it often means something is interfering with the body’s repair process. Learn the most common causes, how long healing should take, and when a non-healing wound becomes dangerous.

Common Reasons a Wound Does Not Heal

Basic wound care matters, but healing also depends on circulation, immune response, and tissue stability— especially for wounds on the legs, feet, and pressure-prone areas.

Blood flow matters

Poor circulation

Oxygen, nutrients, and immune cells reach wounds through blood flow. When circulation is reduced, wounds may stall even with good care. Leg and foot wounds are especially affected.

Risk factors can include heart disease, smoking, diabetes, high blood pressure, age > 50, and obesity.

High-risk for feet

Diabetes

Diabetes can slow healing through reduced circulation, a weakened immune response, and nerve damage. Reduced sensation can allow wounds to worsen before they’re noticed.

Regular foot checks and early evaluation help prevent complications.

Inflammation stays “on”

Infection

Healing can stall when bacteria multiply faster than the body can control them. Infection keeps the wound in inflammation so new tissue can’t form effectively.

Some infections can progress quietly, especially with diabetes or nerve damage.

Healing needs stability

Pressure & repeated trauma

Constant pressure, rubbing, or reopening damages fragile new tissue and forces healing to restart. This is common with foot wounds, near joints, and pressure injuries from prolonged sitting/lying.

Often overlooked

Poor nutrition

Healing requires enough protein, calories, vitamins, and minerals. Without them, tissue repair slows and immune response weakens. Improving nutrition is one of the simplest ways to support healing.

How Long Is Too Long?

What matters most is steady improvement. If a wound shows little or no improvement after 3–4 weeks, it should be evaluated by a healthcare provider.

Wound type Expected healing time When to be concerned
Minor cuts/scrapes A few days to 2 weeks No improvement after 2 weeks
Surgical incisions 2–4 weeks with steady improvement Increasing redness, drainage, or pain
Deep cuts/trauma Several weeks Remains open or worsens after 3–4 weeks
Foot/leg wounds 3–6 weeks No size reduction within 3–4 weeks
Wounds with diabetes Often slower than average Any lack of progress after 2–3 weeks
Pressure wounds Varies by stage + pressure relief Deepens or new skin breakdown
Chronic/non-healing Longer than 4 weeks Requires medical evaluation

Note: healing is measured by progress—not full closure right away.

When a Non-Healing Wound Becomes Dangerous

Not all stalled wounds are emergencies, but delays in care can increase the risk of deep infection, tissue damage, and hospitalization.

Warning signs that need medical care

Seek care if redness spreads, pain increases, drainage worsens, or fever develops.

Bone or deep tissue involvement

Infections that reach muscle or bone are harder to treat and may require long-term antibiotics or surgery.

Tissue death (necrosis)

Black or dead tissue around a wound blocks healing and requires urgent evaluation.

Systemic symptoms (possible sepsis)

Sepsis can develop when bacteria enter the bloodstream, triggering a dangerous whole-body reaction. Any wound infection plus systemic symptoms should be treated as urgent.

When to Seek Care

Use this as a fast decision guide—especially for leg/foot wounds or if you have diabetes.

Monitor

Looks like normal healing

  • Wound is gradually getting smaller
  • Drainage is decreasing
  • Redness and pain are improving
Schedule evaluation

Healing is stalled

  • No change in size
  • Persistent drainage
  • Breakdown after partial healing
Urgent

Possible infection/spread

  • Redness spreading, warmth, swelling
  • Thick drainage or odor
  • Fever or systemic symptoms

Supporting Healing at Home

Medical treatment may be needed, but daily habits also matter—hydration, nutrition, smoking avoidance, and reducing pressure on the wound.

Daily habits that help

  • Hydrate to support circulation
  • Eat balanced meals (protein + vitamins/minerals)
  • Avoid smoking (nicotine reduces oxygen delivery)
  • Follow care instructions consistently

Protect the wound

  • Reduce pressure (offloading, repositioning)
  • Avoid friction from shoes/clothing
  • Limit repeated reopening during movement
  • Watch for infection signs even if pain is minimal

Key Takeaways

A quick summary of what to remember if your wound isn’t improving.

  • Non-healing wounds usually signal an underlying problem—not poor care alone.
  • Poor circulation, diabetes, infection, pressure, and nutrition can slow healing (often together).
  • Healing should show progress within weeks, even if not fully closed yet.
  • Some wounds become dangerous if infection spreads or tissue dies.
  • Early medical evaluation improves outcomes and reduces complications.
Stephanie Wright, RN, BSN

About the Author

Stephanie Wright, RN, BSN

Stephanie Wright is a registered nurse and health writer with over 15 years of experience spanning bedside care, managed care, utilization review, and population health. With a background in communications, she specializes in translating clinical evidence into clear, patient-centered guidance.

Her work focuses on chronic disease management, prescription medications, preventive care, and healthcare navigation, helping readers understand their options and confidently advocate for their care.