Comparative Pharmacology
Head-to-head clinical analysis: CEFTRIAXONE versus KEFLIN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CEFTRIAXONE versus KEFLIN.
CEFTRIAXONE vs KEFLIN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Ceftriaxone is a third-generation cephalosporin antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), leading to cell lysis and death. It has broad-spectrum activity against gram-positive and gram-negative bacteria.
Cephalosporin antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), inhibiting transpeptidation and autolysin activation, leading to cell lysis.
1-2 g IV/IM every 24 hours; maximum 4 g/day.
1-2 g IV/IM every 4-6 hours; maximum 12 g/day.
None Documented
None Documented
Terminal half-life: 5.8-8.7 hours in adults; prolonged to 12-24 hours in neonates and 30-90 hours in severe renal impairment.
Clinical Note
moderateCeftriaxone + Probenecid
"The serum concentration of Probenecid can be increased when it is combined with Ceftriaxone."
Clinical Note
moderateCeftriaxone + Picosulfuric acid
"The therapeutic efficacy of Picosulfuric acid can be decreased when used in combination with Ceftriaxone."
Clinical Note
moderateWarfarin + Ceftriaxone
"Warfarin may increase the anticoagulant activities of Ceftriaxone."
Clinical Note
moderatePhenprocoumon + Ceftriaxone
Terminal elimination half-life: 0.5-1 hour (normal renal function); prolonged to 2-3 hours in anuria. Clinically, dosing every 6 hours is recommended.
Renal (33-67% unchanged) and biliary (up to 40%) with fecal elimination. In neonates, renal excretion is lower (~20%).
Renal: 70-80% unchanged via glomerular filtration and tubular secretion; biliary: minimal (<5%); fecal: <1%.
Category C
Category C
Cephalosporin Antibiotic
Cephalosporin Antibiotic
"Phenprocoumon may increase the anticoagulant activities of Ceftriaxone."