Question

Among the following, the narrow spectrum antibiotic is :

(1) Penicillin G

(2) Ampicillin

(3) Amoxycillin

(4) Chloramphenicol

Comments

Chemistry in everyday life, therapeutic action of different classes of drugs

Answer 1

Ans : (a) Penicillin G

Explanation :

Benzylpenicillin (Penicillin G) is narrow spectrum antibiotic used to treat infections caused by susceptible bacteria. 

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