Comparative Pharmacology
Head-to-head clinical analysis: DURACILLIN A S versus NALLPEN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: DURACILLIN A S versus NALLPEN.
DURACILLIN A.S. vs NALLPEN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Penicillin G procaine is a beta-lactam antibiotic that inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), leading to cell lysis and death.
NALLPEN (naloxone) is a competitive opioid receptor antagonist that binds to mu, kappa, and delta opioid receptors, reversing the effects of opioid agonists including respiratory depression, sedation, and hypotension.
600,000 units intramuscularly once daily; or 1.2 million units intramuscularly every 12 hours for severe infections.
1 gram IV every 8 hours over 30 minutes.
None Documented
None Documented
0.5-1 hour in adults with normal renal function; prolonged to 7-10 hours in end-stage renal disease
Terminal elimination half-life is 2.0-3.0 hours; prolonged in renal impairment (up to 24 hours).
Primarily renal (60-90% unchanged via tubular secretion and glomerular filtration); minor biliary/fecal elimination (<10%)
Primarily renal excretion (80-90% unchanged) with minor biliary/fecal elimination (5-10%).
Category C
Category C
Penicillin Antibiotic
Penicillin Antibiotic