Question
Proteus mirabilis is inherently resistant to?
A. Ampicillin
B. Colistin
C. Doxycycline
D. Nitrofurantoin
E. Cefalosporins
Show Answer
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Correct Answer » B:C:D Explanation |
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Ans. B, C & D
A High level of resistance (>60% of isolates) has been observed for cefuroxime, tetracycline, Polymyxin B, Colistin Sulfute & Nitrofutantoin.
P. mirabilis remains susceptible to nearly all antimicrobials except tetracycline, P. mirabilis likely to be sensitive to ampicillin; broad-spectrum penicillin (eg. Ticarcillin, Piperacillin); first-, second-, anti-third-generation Cephalosporins; Imipenem & Aztreonam.