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Customer Education

Antibiotic Classification

Antibiotic Classification and Modes of Action

Part # 60-00415-0

© bioMérieux, Inc., Customer Education March 2008

1

Customer Education

Antibiotic Classification

bioMérieux, the blue logo and VITEK are used, pending and/or registered trademarks belonging to bioMérieux SA or one of its subsidiaries. CLSI is a registered trademark of Clinical Laboratory and Standards Institute, Inc. Zyvox is a registered trademark of Pfizer Caribe Limited. Tequin is a registered trademark of Bristol-Myers Squibb Company.

© bioMérieux, Inc., Customer Education March 2008

2

Customer Education

Antibiotic Classification

Antibiotic Classification

Module Objectives

Upon completion of this module you will be able to: • Explain why susceptibility testing is done • Define the terms, bacteriostatic and bactericidal • Describe the functional antibiotic classification scheme and list the 5 main groups • Name at least one antibiotic in each class • Describe the structure of a Gram-positive and negative cell • Explain the modes of action for the antibiotics in each of the five functional antibiotic classes • List examples of natural resistance in each of the five functional antibiotic classes • Explain why it is not necessary to perform susceptibility testing for certain organism / antibiotic combinations

© bioMérieux, Inc., Customer Education March 2008

3

Customer Education

Antibiotic Classification

Antibiotics & Susceptibility Testing

Microbiologists work with antibiotics every day. Antimicrobial Susceptibility Testing (AST) is one of the primary functions of the Microbiology Lab. But, how much do Microbiologists really know about antibiotics? Let’s review some basic information and see how it can be applied daily.

© bioMérieux, Inc., Customer Education March 2008

4

Customer Education

Antibiotic Classification

What is an Antibiotic?
Antibiotic is a chemical substance
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