Cortisone Injections for Keloid Scarring

What Are Cortisone Injections for Keloid Scars?

Cortisone (corticosteroid) injections are one of the most effective first-line treatments for keloid scars — raised, thickened scars that form as an overreaction to skin injury. Keloids can grow beyond the boundaries of the original wound and may become itchy, painful, or cosmetically distressing.

By injecting a corticosteroid (most commonly triamcinolone acetonide) directly into the keloid, inflammation is reduced, and the excessive collagen production that causes the keloid is suppressed. Over time, the scar becomes flatter, softer, and less visible.

How Does It Work?

Keloids form when the body produces too much collagen during the healing process. Corticosteroids work by:

  • Suppressing fibroblast activity, which limits collagen production

  • Reducing inflammation and swelling in the scar tissue

  • Shrinking existing blood vessels in the scar, cutting off oxygen and nutrient supply that fuels the scar’s growth

With a series of injections, the keloid softens, reduces in size, and often becomes significantly less noticeable.

Benefits of Cortisone Injections for Keloids

  • Flattens raised, thickened scars

  • Reduces itchiness, redness, and discomfort

  • Improves cosmetic appearance

  • Non-surgical and well-tolerated

  • Suitable for both new and old keloids

  • Can be combined with other treatments (e.g., silicone gel, laser therapy)

Common Treatment Areas

  • Chest

  • Shoulders

  • Back

  • Earlobes (post-piercing scars)

  • Jawline or chin

  • Scars from surgery, burns, acne, or trauma

Frequently Asked Questions

What can I expect?

  • Injections are performed in-clinic and take just a few minutes per scar.

  • Typically spaced every 4–6 weeks, depending on the scar’s response.

  • You may experience mild tenderness or slight skin thinning in the area temporarily.

  • Most keloids respond well after 3–6 sessions, though individual results vary.

How soon will I see results?

Some improvement may be noticed after the first injection, but progressive flattening and softening typically occur over several weeks with repeated sessions.

Are results permanent?

While cortisone injections significantly improve the appearance of keloids, recurrence is possible, especially if the underlying cause (like friction or trauma) continues. Maintenance may be needed for stubborn scars.

Is there any downtime?

Downtime is minimal. You may have redness and slight swelling for 1–3 days. Some light peeling or dryness can occur but usually resolves quickly with proper skincare.

Can cortisone be used on all skin types?

Yes, cortisone is generally safe for all skin types. However, there is a slight risk of skin lightening or thinning, especially in darker skin tones, which your practitioner will discuss.

Can cortisone injections be combined with other treatments?

Yes — for enhanced results, cortisone can be combined with treatments like silicone gel, microneedling, cryotherapy, or laser therapy.

Are there any side effects?

Temporary side effects may include mild pain, skin atrophy (thinning), or discoloration at the injection site. These are typically minimal when done by an experienced professional.

Is this treatment suitable for acne scars?

Cortisone is most effective for raised (hypertrophic or keloid) scars, not for pitted or indented acne scars.

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