Comparative Pharmacology
Head-to-head clinical analysis: AUGMENTIN 200 versus POLYMOX.
Head-to-head clinical analysis: AUGMENTIN 200 versus POLYMOX.
AUGMENTIN '200' vs POLYMOX
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Amoxicillin inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), while clavulanate irreversibly inhibits beta-lactamases, preventing degradation of amoxicillin.
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.
One 200 mg amoxicillin/28.5 mg clavulanate chewable tablet every 8 hours for mild to moderate infections; for severe infections, one 400 mg/57 mg tablet every 12 hours or one 200 mg/28.5 mg tablet every 8 hours.
250-500 mg orally every 8 hours or 500-875 mg orally every 12 hours; maximum 4 g/day.
None Documented
None Documented
Amoxicillin: ~1 hour in healthy adults, prolonged to 7-20 hours in renal impairment (CrCl <10 mL/min). Clavulanate: ~1 hour, similarly prolonged in renal impairment. The combination's half-life supports twice-daily dosing for most infections.
Terminal elimination half-life = 1-1.5 hours in adults; prolonged in renal impairment (up to 12-20 hours in anuria)
Amoxicillin: ~50-70% excreted unchanged in urine via glomerular filtration and tubular secretion, with the remainder hepatically metabolized and excreted in bile and feces. Clavulanate: ~30-50% excreted unchanged in urine, the rest metabolized and eliminated in bile and feces.
Renal (70-80% unchanged via tubular secretion and glomerular filtration); biliary/fecal (small amount, <5%)
Category C
Category C
Penicillin Antibiotic
Penicillin Antibiotic