Drug used for intralesional injection of keloid is –
**Core Concept**
Intralesional injection is a treatment modality used to manage keloids, a type of raised, thickened scar tissue that can cause discomfort and cosmetic concerns. The goal of intralesional injection is to reduce the size and symptoms of the keloid.
**Why the Correct Answer is Right**
The correct answer is a corticosteroid, specifically triamcinolone. This medication works by reducing inflammation and suppressing the immune response that can contribute to keloid formation. Triamcinolone inhibits the release of pro-inflammatory mediators, such as cytokines, from immune cells and reduces the synthesis of collagen, a key component of keloid tissue.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as it does not specify a corticosteroid. While other medications may be used to treat keloids, intralesional injection is not a common application for this option.
**Option B:** This option is incorrect as it is a type of antibiotic, not typically used for intralesional injection in keloid treatment.
**Option C:** This option is incorrect as it is a type of anesthetic, not a medication used to treat keloids.
**Clinical Pearl / High-Yield Fact**
When using intralesional injections for keloid treatment, it's essential to select a corticosteroid with a moderate to high potency, such as triamcinolone, to achieve the best results.
**Correct Answer:** C. Triamcinolone.