Pharmacology – MCQ 105 – Penicillinase resistant penicillin

One of the following is not penicillinase susceptible:
A. Amoxicillin
B. Penicillin G
C. Piperacillin
D. Cloxacillin

Correct answer : D. Cloxacillin

Cloxacillin is a penicillinase resistant penicillin.