Antimicrobial Susceptibility Testing (AST)- Types and Limitations

Antimicrobial Susceptibility Testing (AST)

In the treatment and control of infectious diseases, especially when caused by pathogens that are often drug-resistant, susceptibility (sensitivity) testing is used to select effective antimicrobial drugs. Susceptibility testing is not usually indicated when the susceptibility reactions of a pathogen can be predicted, for example: – Proteus species are generally resistant to nitrofurantoin and tetracyclines, – S. pyogenes is usually …

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