Chelation with Fluoroquinolones and Tetracyclines
Chelation with Fluoroquinolones and Tetracyclines is started on oral ciprofloxacin for a UTI. They have a history of iron deficient anemia. Can they take cipro and iron supplements at the same time? How did others respond? Reveal the answer Best Answer No Explanation: Fluoroquinolone and tetracycline serum concentrations are reduced when co-administered with polyvalent …
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Enterococcal Coverage in Diabetic Foot Infections
Non-AmpC Citrobacter spp
Non-AmpC Citrobacter spp is admitted with pyelonephritis. Blood cultures grow a GNB that is identified as a Citrobacter spp by rapid diagnostics and cefepime is selected for treatment. Two days later, final identification and susceptibilities reveal a C. koseri susceptible to cefazolin. Can antibiotics be deescalated to cefazolin? How did others respond? Reveal …
Ciprofloxacin for Pneumonia
Non-faecium VRE
Non-faecium VRE has a diabetic foot osteomyelitis . Blood cultures grow vancomycin-resistant Enterococcus gallinarum which is susceptible to ampicillin. The patient is on empiric vancomycin and piperacillin-tazobactam . Should vancomycin be changed to daptomycin for this VRE? How did others respond? Reveal the answer Best Answer No Explanation: Enterococcus gallinarum is intrinsically resistant to …
Chelation with Fluoroquinolones and Tetracyclines
Penicillins for MSSA
Penicillins for MSSA has pneumonia . A sputum culture grows methicillin-susceptible S. aureus susceptible to oxacillin, amoxicillin-clavulanate, and cefazolin. Oral amoxicillin is initially ordered. Is this appropriate? A. YesB. No How did others respond? Reveal the answer Best Answer No Explanation: MSSA commonly makes a penicillinase and should be considered resistant to penicillin, amoxicillin, and …
Species Spotlight: Citrobacter koseri & Citrobacter amalonaticus
Ceftriaxone Guided IV to PO
Ceftriaxone Guided IV to PO is admitted with pyelonephritis. Blood and urine cultures grow E. coli with the below susceptibilities. They have a QTc of 502 ms and a sulfa allergy. Amox – R Amox-clav – R Cefazolin – R Ceftriaxone – S Ciprofloxacin – S TMP-SMX – S Which of the following is best …