A 55-year-old woman with septic shock is being treated on ICU. She has been receiving IV co-amoxiclav. Blood cultures grow a Gram-negative bacillus id...

Question

A 55-year-old woman with septic shock is being treated on ICU. She has been receiving IV co-amoxiclav. Blood cultures grow a Gram-negative bacillus identified as Stenotrophomonas maltophilia. This organism is intrinsically resistant to carbapenems. What is the antibiotic of choice?

Accepted Answer

IV co-trimoxazole (trimethoprim/sulphamethoxazole)

Answer

IV meropenem

Answer

IV vancomycin

Answer

IV piperacillin/tazobactam

Answer

IV ceftriaxone

uk-fficm MCQ (SBA): Stenotrophomonas maltophilia

A 55-year-old woman with septic shock is being treated on ICU. She has been receiving IV co-amoxiclav. Blood cultures grow a Gram-negative bacillus identified as Stenotrophomonas maltophilia. This organism is intrinsically resistant to carbapenems. What is the antibiotic of choice?