Comparative Pharmacology
Head-to-head clinical analysis: ERY TAB versus ERYTHROMYCIN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: ERY TAB versus ERYTHROMYCIN.
ERY-TAB vs ERYTHROMYCIN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Erythromycin binds to the 50S ribosomal subunit of susceptible bacteria, inhibiting protein synthesis by blocking the translocation step.
Binds to the 50S ribosomal subunit, inhibiting bacterial protein synthesis by blocking the translocation step.
250-500 mg orally every 6 hours or 333-666 mg every 8 hours. Maximum 4 g/day.
250-500 mg orally every 6 hours or 500-1000 mg intravenously every 6 hours; maximum 4 g/day.
None Documented
None Documented
The terminal elimination half-life of erythromycin base is approximately 1.5-2 hours in patients with normal renal function. In patients with end-stage renal disease, the half-life may be prolonged to 4-6 hours. The half-life is not significantly altered in hepatic impairment, but accumulation can occur with severe liver disease.
Clinical Note
moderateErythromycin + Norfloxacin
"Erythromycin may increase the QTc-prolonging activities of Norfloxacin."
Clinical Note
moderateErythromycin + Teriflunomide
"The serum concentration of Teriflunomide can be increased when it is combined with Erythromycin."
Clinical Note
moderateErythromycin + Ibandronate
"Erythromycin may increase the QTc-prolonging activities of Ibandronate."
Clinical Note
moderateErythromycin + Indapamide
Terminal half-life is 1.4-2 hours in adults with normal renal function; may be prolonged to 5-6 hours in anuria.
Erythromycin is primarily excreted in bile as active drug and metabolites, with approximately 12-15% of an administered dose excreted unchanged in urine. Fecal elimination accounts for about 30-60% of the dose, largely due to biliary excretion.
Primarily hepatic (biliary) elimination; approximately 2-5% excreted unchanged in urine, 30-60% excreted in feces via bile.
Category C
Category A/B
Macrolide Antibiotic
Macrolide Antibiotic
"Erythromycin may increase the QTc-prolonging activities of Indapamide."