Aspirin is an

Options

A. antihistamine
B. Analgesic
C. antibacterial
D. antibiotic

Answer

### Step-by-Step Solution:

1. **Identify the Compound**: The question asks about aspirin. Aspirin is chemically known as acetylsalicylic acid.

2. **Chemical Structure**: Aspirin has the structure of 2-acetoxybenzoic acid. This means it has a benzene ring with an acetoxy group (-OCOCH3) and a carboxylic acid group (-COOH) attached to it.

3. **Classification of Aspirin**: Aspirin is classified based on its medicinal properties:
- **Non-narcotic**: Aspirin does not cause addiction or dependence, which is a characteristic of narcotic drugs.
- **Analgesic**: It is primarily used as a pain reliever, helping to alleviate pain.
- **Antipyretic**: Aspirin also helps reduce fever.
- **Antiinflammatory**: It has properties that reduce inflammation.
- **Blood Thinner**: Aspirin is often prescribed to patients with heart conditions as it helps in thinning the blood and preventing blood clots.

4. **Evaluate Options**: The question likely provides multiple-choice options regarding the classification of aspirin. Based on the properties discussed:
- **Antihistamine**: Incorrect, as aspirin does not block histamine receptors.
- **Analgesic**: Correct, as aspirin is widely known for its pain-relieving properties.
- **Antibacterial**: Incorrect, as aspirin does not kill bacteria.
- **Antibiotic**: Incorrect, as aspirin is not used to treat infections.

5. **Conclusion**: The correct classification of aspirin is as an analgesic.

### Final Answer:
Aspirin is an **analgesic**.