Which of the following statements is not correct ?

Options

A. Some antiseptics can be added to soaps .
B. Dilute solutions of some disinfectants can be used as antiseptic .
C. Disinfectants are antimicrobial drugs .
D. Antiseptic medicines can be ingested .

Explanation

To determine which statement is not correct among the given options, let's analyze each statement step by step.

### Step-by-Step Solution:

1. **Option 1: Some antiseptics can be added to a soap.**
- **Analysis:** This statement is correct. Certain soaps, like Dettol and Tetmosol, contain antiseptic properties and can be used as antiseptic soaps.
- **Conclusion:** This statement is true.

2. **Option 2: Dilute solutions of some disinfectants can be used as antiseptic.**
- **Analysis:** This statement is also correct. For example, a 1% phenol solution acts as a disinfectant, while a 0.2% phenol solution can be used as an antiseptic.
- **Conclusion:** This statement is true.

3. **Option 3: Disinfectants are antimicrobial drugs.**
- **Analysis:** This statement is correct. Disinfectants are substances that kill microorganisms, including bacteria and fungi, thus they are classified as antimicrobial agents.
- **Conclusion:** This statement is true.

4. **Option 4: Antiseptic medicines can be injected.**
- **Analysis:** This statement is incorrect. Antiseptics are meant for topical application on the skin or wounds and are not intended for injection into the body.
- **Conclusion:** This statement is false.

### Final Answer:
The statement that is not correct is **Option 4: Antiseptic medicines can be injected.**

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