Comparative Pharmacology
Head-to-head clinical analysis: POLYMOX versus STAPHCILLIN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: POLYMOX versus STAPHCILLIN.
POLYMOX vs STAPHCILLIN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Amoxicillin is a bactericidal antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs) and inhibiting transpeptidase activity, leading to cell lysis.
Semisynthetic penicillin; inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), inhibiting transpeptidation, and activating autolytic enzymes.
250-500 mg orally every 8 hours or 500-875 mg orally every 12 hours; maximum 4 g/day.
1-2 g IV every 4-6 hours.
None Documented
None Documented
Terminal elimination half-life = 1-1.5 hours in adults; prolonged in renal impairment (up to 12-20 hours in anuria)
0.5-1 hour in adults with normal renal function; prolonged to 2-4 hours in renal impairment. Infants: 1-2 hours.
Renal (70-80% unchanged via tubular secretion and glomerular filtration); biliary/fecal (small amount, <5%)
Primarily renal (70-90% as unchanged drug via glomerular filtration and tubular secretion); minor biliary excretion (<5%) and fecal elimination (<1%).
Category C
Category C
Penicillin Antibiotic
Penicillin Antibiotic