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Cephalosporins - Table of Coverage by Generation

1st Generation   Cefazolin, cephalexin 
2nd Generation Cefotetan 
3rd
3rd Generation Ceftriaxone ... Coverage #Generation #Ceftriaxone
Cephalosporins - Antibiotics Class Overview
1st Generation 
 - Cefazolin (Ancef, Kefzol) - IV
 - Cephalexin (Keflex)
Ceftriaxone (Rocephin ... Cephalexin #Cefuroxime #Ceftriaxone
Lyme Disease: Early and Late Stage Treatment
Stage 1. Localized
 • Doxycycline, amoxicillin, cefuroxime x 10-14d
Stage 2.
CNS/carditis: ceftriaxone ... Arthritis: doxycycline/ceftriaxone ... 14-28d • CNS: ceftriaxone
Gonococcal Infections (Gonorrhea) - CDC 2021 Treatment Guidelines
Recommended Regimen:
 • Uncomplicated infections of the cervix, urethra,
adolescents <150 kg ceftriaxone ... adolescents <150 kg ceftriaxone ... • Pregnancy: ceftriaxone ... Conjunctivitis: ceftriaxone ... infections (DGI): ceftriaxone
Cephalosporin Antibiotics
 • First Generation: Cefazolin, Cefadroxil, Cephalexin
 • Second Generation: Cefuroxime sodium, Cefuroxime axetil
 •
Ceftazidime, Ceftibuten, Ceftriaxone
Pelvic Inflammatory Disease (PID) - CDC 2021 Treatment Guidelines
Recommended Regimen:
 • Parenteral treatment: ceftriaxone 1 gm
Parenteral treatment: ceftriaxone ... oral treatment: ceftriaxone
Epididymitis - CDC 2021 Treatment Guidelines
Recommended Regimen:
 • For acute epididymitis most likely caused by sexually
and gonorrhea: ceftriaxone ... insertive anal sex): ceftriaxone
Spontaneous Bacterial Peritonitis (SBP) - Diagnosis and Management
Ascites PMN > 250/mm3
? Nosocomial or hospital acquired. Recent
cephalosporine (ceftriaxone ... days) antibiotic (ceftriaxone
Cephalosporin Antibiotic Generations - Mnemonic
1st Generation "FA/PHA": CEFAZOLIN, CEFADROXIL, CEPHALEXIN, CEPHALOTHIN, CEPHAPIRIN, CEPHRADINE
2nd Generation "Everything Else":
"ONE/TEN/IME": CEFTRIAXONE
Cephalosporin Comparison - Coverage 
1st Generation Cefazolin, Cephalexin 
2nd Generation Cefaclor, Cefotetan, Cefoxitin, Cefuroxime 
3rd Generation
, Ceftazidime, Ceftriaxone ... same coverage as Ceftriaxone