Bugs & Drugs: Cephalosporins Flashcards
What is the MOA of Cephalosporins
Bactericidal: inhibits bacterial cell wall synthesis via competitive inhibition of the transpeptidase enzyme
CeFAzolin, CePHalexin, CeFAdroxil are all
1st generation Cephalosporins
Brand name for Cefazolin
Ancef
Brand name for CePHalexin
Keflex
Brand name for Cefadroxil
Duricef
What are the two 1st generation cephalosporins given by mouth
CePHalexin- Keflex
CeFAdroxil-Duricef
The only first generation cephalosporins given by IV
Cefazolin- Ancef
Do 1st generations have gram positive coverage
Yes. streptococcus & Staph (MSSA)
Do first generations have gram negative coverage
Yes. PEcK
What is the drug of choice for MSSA
first generation cephalosporins: chephalexin: Keflex(PO) Cefazolin: Ancef(IV)
What are the second generation Cephalosporins
CEFoxitin
CEFotetan
CEFaclor
CEFprozil
CEFuroxime
Which three 2nd generation are given IV
Cefoxitin
Cefotetan
CEFuroxime
Which two 2nd generation cephalosporins are given by mouth
Cefaclor
Cefprozil
Which are the only two cephalosporins that cover anaerobes
Cefoxitin and Cefotetan
Do 2nd generation cephalosporins have gram positive coverage
Yes. But not as much as gram positive