Comparative Pharmacology
Head-to-head clinical analysis: CEFAZOLIN IN DEXTROSE versus KEFLEX.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CEFAZOLIN IN DEXTROSE versus KEFLEX.
CEFAZOLIN IN DEXTROSE vs KEFLEX
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Cefazolin is a first-generation cephalosporin antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), thereby disrupting peptidoglycan cross-linking.
Cephalexin is a first-generation cephalosporin antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), leading to cell lysis and death.
1-2 g IV every 8 hours. For serious infections, up to 2 g IV every 6 hours.
250-500 mg orally every 6 hours; maximum 4 g/day.
None Documented
None Documented
1.8 hours in normal renal function. Prolonged to 12-24 hours in end-stage renal disease (CrCl <10 mL/min).
0.5–1.2 hours in patients with normal renal function (CrCl >50 mL/min); prolonged to >20 hours in ESRD.
Renal: 80-90% unchanged by glomerular filtration and tubular secretion. Biliary: minor (<1%). Fecal: negligible.
Primarily renal (90% or more unchanged via glomerular filtration and tubular secretion); small amounts biliary/fecal (<5%).
Category A/B
Category C
Cephalosporin Antibiotic
Cephalosporin Antibiotic