A diabetic patient developed cellulitis due to staphylococcus aureus, which was found to be Methicillin resistant on the antibiotic sensitivity testing. All of the following antibiotics will be appropriate EXCEPT________________?
Correct answer: B. Imipenem
- A. Vancomycin
- B. Imipenem
- C. Teichoplanin
- D. Linezolid
Explanation
MRSA should be treated with agents active against resistant Gram-positive cocci, such as vancomycin, teicoplanin or linezolid. Imipenem is a beta-lactam and is generally ineffective against MRSA because of the altered penicillin-binding protein PBP2a.
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