Question #27 explained
What is the only organism fidaxomicin is indicated to treat?
NOTE: Fidaxomicin (Dificid) has a limited antimicrobial spectra and specifically targets C. difficile. The lack of broad-spectrum activity provides less “collateral damage” as compared to other options and is meant to help preserve the patients existing microbiome. The other two major drugs to consider for C. difficile are metronidazole (less so) and oral or rectal route vancomycin. Bezoltoxumab (Zinplava) is indicated for prevention of C. difficile. Bezlotoxumab and fidaxomicin are both expensive.
A. Pseudomonas aeruginosa – INCORRECT
B. Streptococcus pneumoniae – INCORRECT
C. methicillin-resistant Staphylococcus aureus (MRSA) – INCORRECT
D. Clostridioides [formerly Clostridium] difficile – CORRECT