Cefotaxime

C. diff Risk

High

Oral Bioavailability

NA

Approximate Cost

$30/day

Spectrum Of Activity

Dosing

Renally cleared, requires dosage adjustment with changes in renal function. Consult a pharmacist for renal dosing.

Severe enteric fever50 mg/kg/dose IV q8h x 10-14 days

Leptospirosis, N meningitis50 mg/kg/dose IV q6h x 7 days

H inf B meningitis, S pneumonia meningitis, GBS meningitis50 mg/kg/dose IV q6h x 14 days

G - meningitis50 mg/kg/dose IV q6h x 21 days

IE50 mg/kg/dose IV q6h x 4-6 wk

General Information

Common Usage

Empiric therapy for bacterial meningitis, pneumonia, intra-abdominal infection (with metronidazole), and urinary tract infection

Adverse Effects

  • Rash

  • Localized phlebitis at injection site

  • Allergy

  • Positive Coombs test

  • Neutropenia

  • Diarrhea

Additional Information

Preferred cephalosporin in neonates

Pharmacology

Antimicrobial class: 3rd Generation Cephalosporin

Average serum half life:

  • Neonates: 3.4-4.6 hours

  • Children: 1.5 hours

Route of Elimination: Urine: ~60% as unchanged drug and metabolites in urine