Vancomycin is used orally for treatment of
**Core Concept**
Vancomycin is a **glycopeptide antibiotic** used to treat various infections. Its oral use is limited due to poor absorption. It is primarily used orally for infections within the gastrointestinal tract.
**Why the Correct Answer is Right**
Vancomycin is used orally for the treatment of **Clostridioides difficile** (C. diff) infections, which cause diarrhea. Oral vancomycin is effective because it acts locally within the gut, minimizing systemic absorption.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect as vancomycin is not the first-line oral treatment for this condition.
**Option B:** Incorrect as this is not a common use for oral vancomycin.
**Option C:** Incorrect because it's not typically treated with oral vancomycin.
**Option D:** Incorrect as this is the correct answer, but the question is incomplete.
**Clinical Pearl / High-Yield Fact**
Remember, vancomycin is poorly absorbed orally, making it ideal for treating **C. difficile** infections within the gut without significant systemic effects.
**Correct Answer:** D. Clostridioides difficile infection