Comparative Pharmacology
Head-to-head clinical analysis: AUGMENTIN 250 versus PROSTAPHLIN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: AUGMENTIN 250 versus PROSTAPHLIN.
AUGMENTIN '250' vs PROSTAPHLIN
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), disrupting peptidoglycan cross-linking. Clavulanate is a beta-lactamase inhibitor that irreversibly binds to beta-lactamases, preventing hydrolysis of amoxicillin.
Prostaphlin (oxacillin) is a penicillinase-resistant penicillin that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), specifically PBP1 and PBP3, leading to inhibition of transpeptidation and cell lysis. It is resistant to staphylococcal beta-lactamases.
One 250 mg amoxicillin/125 mg clavulanate tablet orally every 8 hours for 7-10 days.
250-500 mg IM or IV every 4-6 hours for moderate to severe infections. For oral use: 250-500 mg every 6 hours on empty stomach.
None Documented
None Documented
Amoxicillin: 1.0-1.3 hours; clavulanate: 1.0-1.5 hours; prolonged in renal impairment (up to 7 hours for amoxicillin in anuria).
0.4-0.8 hours in adults with normal renal function; prolonged in renal impairment (up to 4-6 hours in anuria).
Renal: ~50-70% as amoxicillin, ~25-40% as clavulanate unchanged; biliary/fecal: minor (10-15% combined).
Primarily renal (70-80% unchanged via glomerular filtration and tubular secretion); minor biliary/fecal elimination (<10%).
Category C
Category C
Penicillin Antibiotic
Penicillin Antibiotic