Corticosteroid injections have been used for many years in the treatment of hypertrophic scars and keloids, alone or in combination with other modalities (e.g. silicone gel).

Steroid injections into the scar have been found to soften and flatten keloids but cannot narrow hypertrophic scars or eliminate keloids.

The side effects of this treatment option include pain (can be managed with local anasthetic), skin atrophy, hypopigmentation (loss of skin color) and telangiectasia. The procedure may be expensive, time consuming and there is a large risk of treatment failure. Extreme care should be taken injecting into dark pigmented skin as depigmentation can occur. The most commonly used steroid injection is Triamcinolone Acetonide which is recommended to be injected every 3 to 6 weeks. Dermatologists generally give a series of injections. Usually given every few weeks, the frequency will depend on the type of scar and many other considerations. Some patients receive an injection every 2 or 3 weeks. Others get an injection once every 3 to 6 weeks.

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