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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which of the following antimicrobial is effective against an organism producing extended spectrum beta lactamase?
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The correct answer is  Ans. (C) Piperacillin-tazobactam(Ref: Harrison 18th/1247)Organisms producing ESBL-like Klebsiella are resistant to most beta-lactams except carbapenems.ESBL can be inhibited by beta lactamase inhibitors.Amoxicillin is not effective against Klebsiella whereas piperacillin has wide spectrum including Klesiella.