Comparative Pharmacology
Head-to-head clinical analysis: MUPIROCIN versus ZOSYN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: MUPIROCIN versus ZOSYN.
MUPIROCIN vs ZOSYN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Mupirocin reversibly binds to bacterial isoleucyl-tRNA synthetase, inhibiting protein synthesis.
Piperacillin, a semisynthetic penicillin, inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs). Tazobactam, a beta-lactamase inhibitor, inactivates beta-lactamases, preventing piperacillin degradation.
Apply a small amount of 2% ointment or cream to affected area three times daily for 5 to 14 days.
3.375 g (piperacillin 3 g / tazobactam 0.375 g) intravenously every 6 hours over 30 minutes; for nosocomial pneumonia, 4.5 g intravenously every 6 hours.
None Documented
None Documented
Intravenous: ~30 min (0.5 h). Topical: systemically absorbed amount negligible, local half-life not defined.
Clinical Note
moderateMupirocin + Picosulfuric acid
"The therapeutic efficacy of Picosulfuric acid can be decreased when used in combination with Mupirocin."
Piperacillin ~0.7-1.2 h; tazobactam ~0.7-1.0 h; extended in renal impairment (piperacillin up to 3.3 h, tazobactam up to 4.7 h in CrCl <20 mL/min)
Renal: <1% unchanged (topical); hepatic metabolism to monic acid, eliminated renally and fecally. After IV administration, 60-70% renal, 20-30% fecal/biliary.
Primarily renal; piperacillin 68% unchanged, tazobactam 80% unchanged; biliary/fecal excretion <10%
Category A/B
Category C
Antibiotic
Antibiotic