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Cephalosporins - Antibiotics Class Overview
1st Generation 
 - Cefazolin (Ancef, Kefzol) - IV
 - Cephalexin (Keflex)
Kefzol) - IV - Cephalexin ... Cephalosporins #Cefazolin #Cephalexin
Cephalosporin Antibiotics
 • First Generation: Cefazolin, Cefadroxil, Cephalexin
 • Second Generation: Cefuroxime sodium, Cefuroxime axetil
 •
Cefazolin, Cefadroxil, Cephalexin
Antibiotic Regimens Recommended for Group A Streptococcal Pharyngitis
For individuals without penicillin allergy:
 • Penicillin V, oral
penicillin allergy: • Cephalexin
Cephalosporins - Table of Coverage by Generation

1st Generation   Cefazolin, cephalexin 
2nd Generation Cefotetan 
3rd
Generation Cefazolin, cephalexin
Cephalosporin Antibiotic Generations - Mnemonic
1st Generation "FA/PHA": CEFAZOLIN, CEFADROXIL, CEPHALEXIN, CEPHALOTHIN, CEPHAPIRIN, CEPHRADINE
2nd Generation "Everything Else":
CEFAZOLIN, CEFADROXIL, CEPHALEXIN
Botfly Larvae on POCUS
JEM Case of the week: 22 yo previously healthy woman presents with an
ivermectin then cephalexin
Cephalosporin Comparison - Coverage 
1st Generation Cefazolin, Cephalexin 
2nd Generation Cefaclor, Cefotetan, Cefoxitin, Cefuroxime 
3rd Generation
Generation Cefazolin, Cephalexin
HSV Herpetic Whitlow Infection of the Finger
20 F presents with painful finger, treated w/ oral cephalexin
treated w/ oral cephalexin