Comparative Pharmacology
Head-to-head clinical analysis: AMPICILLIN SODIUM versus TOTACILLIN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: AMPICILLIN SODIUM versus TOTACILLIN.
AMPICILLIN SODIUM vs TOTACILLIN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Ampicillin is a beta-lactam antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), leading to cell lysis and death.
Bactericidal: inhibits cell wall synthesis by binding to penicillin-binding proteins (PBPs), inhibiting transpeptidation. Active against gram-positive bacteria and some gram-negative bacteria.
1-2 g IV/IM every 4-6 hours for serious infections; maximum 12 g/day.
250-500 mg orally every 6 hours or 1-2 g intravenously every 4-6 hours.
None Documented
None Documented
Terminal elimination half-life ~1 hour in healthy adults; prolonged to 2–5 hours in renal impairment (CrCl <10 mL/min) and up to 7–20 hours in anuria; neonatal half-life 2–4 hours.
Terminal elimination half-life: 1.0-1.5 hours in normal renal function. Extended to 2-6 hours in renal impairment; requires dose adjustment when CrCl <30 mL/min.
Approximately 90% renal excretion via tubular secretion and glomerular filtration; small biliary excretion (<10%); fecal elimination negligible.
Renal: 90-95% unchanged via glomerular filtration and tubular secretion. Biliary/fecal: <5% as unchanged drug and metabolites.
Category A/B
Category C
Penicillin Antibiotic
Penicillin Antibiotic