Which of the following is an analgesic ?

Options

A. Streptomycin
B. Chloromycetin
C. Novalgin
D. Penicillin

Explanation

To determine which of the given options is an analgesic, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Definition of Analgesics**:
- Analgesics are drugs specifically designed to relieve pain. They do not necessarily affect consciousness or the perception of pain.

2. **Identify the Given Options**:
- The options provided are:
- A) Streptomycin
- B) Chloromycetin
- C) Novalazine
- D) Penicillin

3. **Evaluate Each Option**:
- **Option A: Streptomycin**:
- Streptomycin is an antibiotic that is used to treat bacterial infections. It does not serve the purpose of relieving pain.
- **Conclusion**: Not an analgesic.

- **Option B: Chloromycetin**:
- Chloromycetin is also an antibiotic, used primarily to treat serious bacterial infections. It does not provide pain relief.
- **Conclusion**: Not an analgesic.

- **Option C: Novalazine**:
- Novalazine is recognized as an analgesic. It is specifically used to relieve pain.
- **Conclusion**: This is an analgesic.

- **Option D: Penicillin**:
- Penicillin is another antibiotic that is used to treat bacterial infections. It does not have analgesic properties.
- **Conclusion**: Not an analgesic.

4. **Select the Correct Option**:
- Based on the evaluations, the only drug that qualifies as an analgesic is **Novalazine**.

### Final Answer:
The correct option is **C) Novalazine**.

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