Comparative Pharmacology
Head-to-head clinical analysis: BEEPEN VK versus BICILLIN C R 900 300.
Peer-Reviewed Evidence
Head-to-head clinical analysis: BEEPEN VK versus BICILLIN C R 900 300.
BEEPEN-VK vs BICILLIN C-R 900/300
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Penicillin V potassium is a beta-lactam antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs). This disrupts the cross-linking of peptidoglycan chains, leading to cell lysis and death. It is bactericidal against susceptible organisms.
Penicillin G benzathine and penicillin G procaine are beta-lactam antibiotics that inhibit bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), disrupting peptidoglycan cross-linking, leading to cell lysis via autolytic enzymes. Synergistic action covers both susceptible Gram-positive cocci (e.g., Streptococcus pyogenes) and some Gram-negative cocci (e.g., Neisseria spp.).
250-500 mg orally every 6 hours for mild to moderate infections; 500 mg orally every 6 hours for severe infections; maximum 4 g/day.
Intramuscular injection: 1.2 mL (900,000 units penicillin G benzathine and 300,000 units penicillin G procaine) every 48 hours for 3 doses; for severe infections, up to 2.4 mL (1,800,000/600,000 units) as a single dose.
None Documented
None Documented
Terminal elimination half-life is 0.7-1.4 hours in patients with normal renal function; prolonged to 3-20 hours in severe renal impairment (CrCl <10 mL/min).
0.5-1 hour for penicillin G; prolonged to 3-6 hours in renal impairment. Procaine component has no significant effect on elimination half-life
Primarily renal (70-80% as unchanged drug), with minor biliary/fecal excretion. Renal clearance is via tubular secretion and glomerular filtration.
Renal: 60-90% as unchanged drug; biliary/fecal: minor (less than 10%)
Category C
Category C
Penicillin Antibiotic
Penicillin Antibiotic