Which of the following is a narrow spectrum antibiotics?

Penicillin G

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Dettol

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Aspirin

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Analgin

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Solution

The correct option is A Penicillin G
Penicillin G is a narrow-spectrum antibiotic effective against single organism or disease.

It is a natural penicillin antibiotic that is administered intravenously or intramuscularly due to poor oral absorption.

Hence, option A is correct.

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