Others Flashcards
Inhibits chain formation resulting in early termination
Quinupristin
Inhibits peptide elongation by interfering with peptidyl transferase
Dalfopristin
Oxazolidinone class. Binds 23s of 50s subunit. IV and PO are both 100% bioavailable
Linezolid
Has interaction w/ monoamine oxidase inhibitor. Be careful of co-administration w/ SSRI for serotonin storm
Linezolid
Can cause myelosuppression (thrombocytopenia), yeast superinfection, and mitochondrial toxicity in long courses
Linezolid
Polymixin E antibiotic
Colistin
Colistin regularly administered or prodrug?
Prodrug
Colistin can cause ________toxicity and ________toxicity
Nephro
Neuro
Phosphoric acid derivative
Fosfomycin
Fosfomycin static or cidal?
Cidal
Fosfomycin dosage?
3 gram oral packet of 1 dose
Glycylcline agent
Tigecycline
Tigecyline static or cidal?
Static
Dose tigecycline achieve high serum conc?
NO
**Not good for bacteremia
Lipopeptide
Daptomycin
Daptomycin static or cidal?
Cidal
Does daptomycin cover pneumonia?
No, inactivated by surfactant
Causes side effect rhabdomyolysis and eosinophilic pneumonia (rare)
Daptomycin
Irreversibly binds 50s. Individually static but cidal together. IV only
Quinupristin/Dalfopristin
Glycolipopeptide. Semi-synthetic derivative of Vancomycin (be careful of cross sensitivity. May cause red man syndrome or nephrotoxicity like Vancomycin
Telavancin
Cross rx with rifampin, tetracyclines, and ampicillin with _______
birth control