Chloramphenicol is a ..............

Explanation

**Step-by-Step Solution:**

1. **Identify the Substance**: The question asks about Chloramphenicol, which is a specific chemical compound used in medicine.

2. **Classify the Drug**: Chloramphenicol is known for its effectiveness against bacteria, which indicates that it belongs to a specific category of drugs.

3. **Determine the Drug Class**: Since Chloramphenicol is effective against a variety of bacterial infections, it is classified as an antibiotic.

...