Beta-Lactams Antibiotics Cephalosporins & Cephamycins Flashcards
Derivatives of 7-aminocephalosporanic acid. More stable to many bacterial B-lactamases
Cephalosporins & Cephamycins
Cephalosporins that are excreted in bile
Cefoperazone and Ceftriaxone
Cephalosporins major elimination are via
renal tubular excretion
First-Generation Cephalosporins
Cephalexin, Cefazolin, Cefadroxil, Cephalotin, Cephadrine, Cephapirin
Second-Generation Cephalosporins
Cefuroxime, Cefoxitin, Cefotetan, Cefamandole, Cefaclor
Third-Generation Cephalosporins
Ceftriaxone, Cefotaxime, Cefoperazone, Ceftazidime, Cefixime
Fourth-Generation Cephalosporins
Cefepime
_______ and ______ gen don’t enter CSF even if meninges are inflamed
1st and 2nd
Not active against MRSA
a. First Gen
b. Fourth Gen
a. First Gen
Drug of choice against gram (+) cocci
a. Cefazolin
b. Cephalexin
c. Both
d. Neither
c. Both
Drug of choice against E. coli
a. Cefazolin
b. Cephalexin
c. Both
d. Neither
a. Cefazolin
Drug of choice against K. pneumoniae
a. Cefazolin
b. Cephalexin
c. Both
d. Neither
a. Cefazolin
Drug of choice to treat Surgical Prophylaxis
a. Cefazolin
b. Cephalexin
c. Both
d. Neither
a. Cefazolin
Drug of choice to treat cellulitis
a. Cefazolin
b. Cephalexin
c. Both
d. Neither
b. Cephalexin
Drug of choice to treat Soft Tissue abscess
a. Cefazolin
b. Cephalexin
c. Both
d. Neither
b. Cephalexin
Drug of choice to treat Skin and Soft Tissue Infections
a. Cefazolin
b. Cephalexin
c. Both
d. Neither
c. Both
Toxicity of Drug fever is associated with
a. Cefazolin
b. Cephalexin
c. Both
d. Neither
a. Cefazolin
The only 1st gen parenteral drug still in use
Cefazolin
Drug of choice against Pneumococcus
a. Cefuroxime
b. Cefotetan
c. both
d. neither
a. Cefuroxime
Drug of choice against H. influenzae
a. Cefuroxime
b. Cefotetan
c. both
d. neither
a. Cefuroxime
Drug of choice against Anaerobes
a. Cefuroxime
b. Cefotetan
c. both
d. neither
b. Cefotetan
Drug of choice against Serratia
a. Cefuroxime
b. Cefotetan
c. both
d. neither
b. Cefotetan
Resistant to Serratia
a. Cefotetan
b. Cefoxitin
c. Cefuroxime
c. Cefuroxime
Drug of choice to treat commonly-acquired pneumonia
a. Cefuroxime
b. Cefoxitin
c. Cephalexin
a. Cefuroxime
Drug of choice to treat Mixed Anaerobic Infections
a. Cefuroxime
b. Cefoxitin
c. Cephalexin
b. Cefoxitin
Drug of choice to treat Pelvic Inflammatory Disease
a. Cefuroxime
b. Cefoxitin
c. Cephalexin
b. Cefoxitin
Drug of choice to treat Peritonitis
a. Cefuroxime
b. Cefoxitin
c. Cephalexin
b. Cefoxitin
Drug of choice to treat Diverticulitis
a. Cefuroxime
b. Cefoxitin
c. Cephalexin
b. Cefoxitin
Most active cephalosporins against penicillin-resistant pneumococci (PRSP)
Ceftriaxone
Cephalosporins that cannot penetrate the BBB
cefoperazone and cefixime
Third-Generation Cephalosporins that the only agent w/ useful activity against P. aeruginosa
Ceftazidime
Not for gonococcal urethritis and cervicitis
a. Cefotaxime
b. Ceftazidime
c. Cefixime
c. Cefixime
Drug of choice to treat Pneumonia
a. Ceftriaxone
b. Cefotaxime
c. Both
d. Neither
a. Ceftriaxone
Drug of choice to treat Osteomyelitis
a. Ceftriaxone
b. Cefotaxime
c. Both
d. Neither
a. Ceftriaxone
Drug of choice to treat Empiric Therapy for Serious Infections
a. Ceftriaxone
b. Cefotaxime
c. Both
d. Neither
c. Both
Drug of choice to treat Acute Otitis Media
a. Ceftriaxone
b. Cefotaxime
c. Both
d. Neither
a. Ceftriaxone
Drug of choice to treat Meningitis
a. Ceftriaxone
b. Cefotaxime
c. Both
d. Neither
c. Both
Drug of choice to treat Pyelonephritis
a. Ceftriaxone
b. Cefotaxime
c. Both
d. Neither
a. Ceftriaxone
Drug against MRSA (Methicillin-Resistant Staphylococcus aureus)
a. Cefepime
b. Ceftaroline
c. both
d. neither
b. Ceftaroline
Drug against MSSA (Methicillin-Susceptible Staphylococcus aureus)
a. Cefepime
b. Ceftaroline
c. both
d. neither
a. Cefepime
Drug against Enterobacteriacaea
a. Cefepime
b. Ceftaroline
c. both
d. neither
a. Cefepime
Drug against Haemophilus
a. Cefepime
b. Ceftaroline
c. both
d. neither
a. Cefepime
Drug against Neisseria
a. Cefepime
b. Ceftaroline
c. both
d. neither
a. Cefepime
First drug approved for MRSA
Ceftaroline
Drug of choice to treat complicated P. aeruginosa infections
a. Cefepime
b. Ceftaroline
c. both
d. neither
a. Cefepime
Drug against Febrile Neutropenia
a. Cefepime
b. Ceftaroline
c. both
d. neither
a. Cefepime
Drug against community-acquired pneumonia
a. Cefepime
b. Ceftaroline
c. both
d. neither
b. Ceftaroline
Drug that penetrates well to cerebrospinal fluid
a. Cefepime
b. Ceftaroline
c. both
d. neither
a. Cefepime
More resistant to hydrolysis by chromosomal B- lactamase but hydrolyzed by ESBL
Cefepime
carbapenemase- producing organisms
a. Ceftazidime- avibactam
b. Ceftolozane- tazobactam
c. both
d. neither
a. Ceftazidime- avibactam
Bound by active iron transporters and pumped into the bacterial cell wall at high conc
Cefiderocol
Resistant to P. aeruginosa
a. Ceftaroline
b. Ceftazidime
c. Cefiderocol
a. Ceftaroline
Resistant to Organisms w/ metallo-B-lactamase
a. Ceftaroline
b. Ceftazidime
c. Cefiderocol
b. Ceftazidime
Resistant to Gram (+) anaerobic organisms
a. Ceftaroline
b. Ceftazidime
c. Cefiderocol
c. Cefiderocol